Used fish tanks

50 gallon fish tank/aquarium. Austin, TX. $65. 10 gallon fish tank. Austin, TX. $25. Fish Tank Lot. Georgetown, TX. $15. Fish Bowl Extra Large I think it may be 5 gallons New never used. Austin, TX. $25 $28. Fish Tank Pump. Buda, TX. $20 $25. fish aquarium with accessories. Kyle, TX. $60. 40 gallon aquarium. Austin, TX. $80. 20 gallon fish tank.

To donate a fish tank, find a local animal shelter or rescue group and contact them to inquire about donation requirements and restrictions. 3. Goodwill. Goodwill is a non-profit thrift store that sells donated items to fund job training programs, employment placement services, and other community-based programs.Laplace, LA. $200. Fish Tank. Morgan City, LA. $100 $200. huge fish tank. Galliano, LA. New and used Aquarium for sale in Houma, Louisiana on Facebook Marketplace. Find great deals and sell your items for free.55 gallon fish tank. Bridgewater, MA. $100. COMPLETE FISHTANK + EXTRAS. Providence, RI. $20. Imagitarium 2 Galon Fish Tank. Rochester, MA. New and used Aquarium for sale in Providence, Rhode Island on Facebook Marketplace.Waterproof Stock Tank Cover for 150 Gallon Stock Tank Oval Suitable for Outdoor. Brand New. $16.98. Free shipping. Get the best deals on Aquariums & Tanks 150 gal. Tank Capacity when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices.Use good cabinet-grade plywood—it's a standard material used for fish tank stands because of its strength and water resistance. Aquarium Weights . The actual weight of the aquarium will depend on the type of material used. Glass tanks are twice as heavy as acrylic tanks. An empty 20-gallon glass aquarium weighs over 25 pounds, …

New and used Aquarium for sale in Syracuse, New York on Facebook Marketplace. Find great deals and sell your items for free. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Syracuse, New York. Filters. $90. Metal fish tank stand for 65 gallon. Syracuse, NY. $25. fish tank. Syracuse, NY. $75. 20 Gallon Long Aquarium with …Harrison, AR. $65$125. Fish Aquarium. Summit, AR. $30. Fish Tank. Marshall, AR. New and used Aquarium for sale in Harrison, Arkansas on Facebook Marketplace. Find great deals and sell your items for free.New and used Aquarium for sale in Toowoomba, Queensland on Facebook Marketplace. Find great deals and sell your items for free. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Toowoomba, Queensland. Filters. A$80. 60 litre aquariums - basically brand new. Toowoomba, QLD. A$50. Fish stand & tank. …Buy and sell used aquarium with local pick-up or shipped across the country. Log in to get the full Facebook Marketplace experience. Log In. Learn more. $20. fish tank. Indianapolis, IN. $20. 20 gal, 30"x12"x12 ZooMed tank.Get the best deals on All Water Type Aquariums and Tanks when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices. ... Marina Betta Small Fish Tank 0.7 Gal Aquarium Kit Self-Cleaning System White. $34.31. $6.95 shipping. 4 watching. SPONSORED. biOrb CLASSIC 15 …1. Cedar. Cedar is an evergreen, so it isn’t surprising that this wood has been used by the aquarium industry. However, cedar has tannins embedded in its bark that can cause problems for your fish. Not only will the tannic acid cause your water to turn dark brown, but it can also cause stress in your fish.This is a brand new tank, braceless top, all glass 12mm thick, with Oyama black stickers on 4 sides pre-installed. This is an excess tank in our factory, now on clearance sale! Original N30 quality. Suitable for tropical freshwater setup. Value for money at a special price of only $100 (usual price $390).

Reuse fish tanks for plant tanks Conclusion. As you can see, fish tanks are incredibly versatile and can be used for many different purposes. From providing a secure environment for fish and other aquatic species to transforming the tank into an art installation piece or mini-greenhouse, fish tanks offer endless possibilities when it …Oct 12, 2022 · Check for Glass Cracks, Chips, or Scratches. The first thing you want to check with any used fish tank is the glass whether there are any cracks in it. Obviously, if there are any cracks, it’s not going to hold water. You definitely want to take a close look at the edges of the tank as well. There may be little chips on the glass edge of the ... Prepare the Aquarium. Get the aquarium ready. Put the stand into place and level it. Be sure to leave clearance for electrical connections and equipment. Clean the tank with a soft cloth or sponge and use fresh water. Add tank backing and put the tank on a stand, if you plan to. Electrical connections include:Put the tank on the aquarium stand, and pour in the substrate. Place the filter and heater in the tank, and add decorations to hide the equipment. Fill the aquarium with room temperature water and dose the dechlorinator. Plant the aquarium plants. Follow this guide for steps on how to set up a fish tank with live plants.This article will direct you to the best places to sell a used aquarium. Plus, keep reading for some helpful pricing and selling tips. Contents [ hide] Sell Your …Top Exotic Guppy 10 for $40 Buy Colourful Guppy Fish Online Door to Door. Exotic Guppy 10 for $40 Melbourne Tropical Fish UNBEATABLE PRICES www.melbournetropicalfish.com.au Factory 2, 41-43 Sinclair Road Dandenong VIC 3175 Online Live Fish Door to Door Delivery is Now AVAILABLE in Victoria and NSW and …

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55 gallon fish tank. Bridgewater, MA. $100. COMPLETE FISHTANK + EXTRAS. Providence, RI. $20. Imagitarium 2 Galon Fish Tank. Rochester, MA. New and used Aquarium for sale in Providence, Rhode Island on Facebook Marketplace. Types of Aquarium Glue Silicone. The most-used adhesive is silicone. Glass aquariums are held together and sealed with a thin layer of silicone-like sealant. Silicone-based adhesives will seal the gap in between the glass and remain flexible. The glass panels actually move a little when you change water or scrape the glass.Used Fish Tank And Stand Complete With Fish. $350.00. or Best Offer. $80.32 shipping. Sponsored. 75 gallon aquarium fish tank with stand. $500.00. or Best Offer. $0.00 …Fish tanks. Fish Tank $350 Richmond, TX Fish Tank $75 Houston, TX Fish Tank $35 Richmond, TX Driffwood For Fish Tank $60 Westminster, CA Fish Tank And Stand With Turtles And Fish, Filters $650 Friendswood, TX Fish tank $40 Old Rvr-wnfre, TX Fish Tank $100 Houston, TX Fish Tank And Filter $175 Spring, TX Large Fish Tank $80 … Aquarium SINE Wave Maker Cross Flow Pump w/Controller (3300 gph) Jebao SCP-90. $89.99 New. Sine Wave Pump (SOW-9) - Jebao. $82.99 New. 2 Jebao Jecod DCT Marine Controllable Water Pump. $125.82 New. Jebao Pp-333 66gph Submersible Fountain Pond Water Pump 1. (32)

New and used Aquarium for sale in East Dayton, Ohio on Facebook Marketplace. Find great deals and sell your items for free. Use good cabinet-grade plywood—it's a standard material used for fish tank stands because of its strength and water resistance. Aquarium Weights . The actual weight of the aquarium will depend on the type of material used. Glass tanks are twice as heavy as acrylic tanks. An empty 20-gallon glass aquarium weighs over 25 pounds, …Step 2 – Starting The Nitrogen Cycle. The Nitrosomonas bacteria you want to grow in your fish tank need ammonia to “eat.”. A new tank with clean water contains no source of ammonia, so you’ll need to add some. You could add a few drops of pure ammonia to the water, but I prefer to use a pinch or two of fish flakes every 12 hours for …Aquarium Near Sioux Falls, South Dakota. New and used Aquarium for sale in Sioux Falls, South Dakota on Facebook Marketplace. Find great deals and sell your items for free. Aquarium Chiller used 1/10 HP JBJ Artica Aquarium Fish Tank Chiller. $300. brentwood / oakley 160 Gallon Glass Fish Tank with Stand, Canopy, and Accessories ... How To Get The Cheap Fish Tanks (And 5 Tips) 1. The dollar per gallon sales. A few times every year, the chain pet stores, namely Petco, have a dollar per gallon sale. These dollar per gallon sales have tanks from 10, 20, 29, 40, and 55 gallon tanks all selling for $1 per gallon.Unless you are building an aquarium, and you need the best and most reliable silicone, there is no point in paying extra for expensive silicone. The worst offenders are the aquarium brands. Take Aqueon’s Silicone Aquarium Sealant. I have seen this silicone cost as much as $12 at my local fish store. $12 for 3 ounces! hide. • •. Glow in the dark aquarium fish tank ornaments. 3/27 · SoHo. $15. hide. 1 - 120 of 214. new york for sale "aquarium" - craigslist. Betta Lifespace H5 Aquarium - Black - 32 Litre. Spalding, Lincolnshire. £40. 60 litre fish tank. Fakenham, Norfolk. £80 £100. Superfish Home 80 fish tank with stand. Whittlesey. New and used Aquarium for sale in Thorney, Norfolk, United Kingdom on Facebook Marketplace. From picking out the perfect one to decorating it and filling it with everything your pet fish needs, it is a fun process. Pet parents can shop PetSmart’s huge selection of fish tanks and aquariums in-store and online! Whether you need a small tank for your betta fish, a 75–gallon fish tank, or even a 150–gallon aquarium, we have you covered. Medford, MA. $40 $55. Aquarium Tank 10 Gallon. Quincy, MA. $1,234,567. Fish tank 125 gallon. Foxboro, MA. New and used Aquarium for sale in Boston, Massachusetts on Facebook Marketplace. Find great deals and sell your items for free.Find the best Used Fish Tank price! Used Fish Tank for sale in India. OLX India offers online local classified ads in India.

Find the best deals for Fish Tanks with Stand at the lowest prices. Shop by tank capacity for 30 gal, 75 gal, 55 gal & more to find exactly what you need. Free Shipping for many items! Using Chemicals. To clean a used aquarium, you will need bleach and/or vinegar. Option #1: Pour a small amount of water and a capful of bleach or vinegar into the aquarium to make cleaning easier and eliminate the bad smells. Option #2: Another way is to use a vinegar solution.Check Price & Details on Amazon ». 4. ISTA Cooling System. The ISTA Cooling System is a simple water cooler, used with both fresh water and salt water fish tanks. It could be a great choice, just like the previous devices from above. It comes with a power adapter and cable in the package, plus the cooler itself.STEP 4: ADD ACTIVATED CHARCOAL. There is much debate over whether you need activated charcoal or not, but NASA recommends using it to help filter the water and help prevent growth of fungi. Needless to say, I used a layer of activated charcoal. Don’t go too crazy with it, but make one thin layer.Used Aquarium's For Sale Fort Myers. We offer the largest variety of Used Aquarium's, Used Reptile Tanks in Fort Myers and surrounding areas. Our Used Fish Tank's come in all sizes from 220 Gallon Reef Tanks to small 30 Gallon Breeder Tanks. We also stock a good selection of Used Aquarium's that can be used at sumps for saltwater reef …$40. 10 gallon fish tank aquarium set. Vienna, VA. $60. Fish tank.Get the best deals on All Water Type Aquariums and Tanks when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices. ... Marina Betta Small Fish Tank 0.7 Gal Aquarium Kit Self-Cleaning System White. $34.31. $6.95 shipping. 4 watching. SPONSORED. biOrb CLASSIC 15 …

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2. Superfish QVBIG 60 litre LED Aquarium. Fish tank only 6 months old excellent condition including built-in filter water heater gravel and plants H440 W400 D400. Carnoustie, Angus. £50. 10 hours ago. 1. Fish Tank and Full Set Up. 140L fish tank and full set up. Get the best deals for used fish tanks aquariums at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!New and used Aquarium for sale in London, United Kingdom on Facebook Marketplace. Find great deals and sell your items for free. Marketplace › Pet supplies › Fish supplies › Fish aquariums. Aquarium near London, United Kingdom. Filters. £50 £60. Fish tank with fish. Greenhithe. £100 £150. 100 litre fish tank. West Malling, Kent. £50. BiOrb …Glasgow, United Kingdom. £100 £170. Fish tank. Motherwell, North Lanarkshire. £40. Aquarium cubes x3. Motherwell, North Lanarkshire. New and used Aquarium for sale in Kirkcaldy, Fife on Facebook Marketplace. Find great deals and sell your items for free.Types of Aquarium Glue Silicone. The most-used adhesive is silicone. Glass aquariums are held together and sealed with a thin layer of silicone-like sealant. Silicone-based adhesives will seal the gap in between the glass and remain flexible. The glass panels actually move a little when you change water or scrape the glass.Jun 5, 2023 · 2. eBay. eBay is a popular online marketplace where you can sell your fish tank. You can list your fish tank for sale and set a price. eBay offers a wide audience, so your fish tank can reach more potential buyers. Remember that shipping a fish tank can be expensive, so offering local pickup is also an option. 3. How To Get The Cheap Fish Tanks (And 5 Tips) 1. The dollar per gallon sales. A few times every year, the chain pet stores, namely Petco, have a dollar per gallon sale. These dollar per gallon sales have tanks from 10, 20, 29, 40, and 55 gallon tanks all selling for $1 per gallon.New and used Aquarium for sale in Toowoomba, Queensland on Facebook Marketplace. Find great deals and sell your items for free. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Toowoomba, Queensland. Filters. A$80. 60 litre aquariums - basically brand new. Toowoomba, QLD. A$50. Fish stand & tank. …used aquarium fish tanks. Pre-Owned · Juwel. $700.00. or Best Offer. Free shipping. Sponsored. Warranty included 120 GALLON GLASS room divider peninsula aquarium …75 gallon aquarium fish tank and filter. $600.00. Local Pickup. or Best Offer. Get the best deals on Aquariums & Tanks 75 gal. Tank Capacity when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices.👨‍👨‍👧‍👦 Get all the extra benefits by becoming a channel member. https://www.youtube.com/channel/UCyyGJeKITfR7Y5cq2zX4-oQ/joinCheck out our brand ... ….

Aquarium sands and other substrates can also be used to improve the chemistry of the water. For instance, if your fish require hard water, limestone gravel or a coral substrate can help you achieve the correct hardness and alkalinity levels. Moreover, substrate can provide a safe home for fish eggs. Larger-sized substrates allow eggs to …Buy and sell used aquarium with local pick-up or shipped across the country. Log in to get the full Facebook Marketplace experience. Log In. Learn more. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Olean, New York. Filters. $45. Beautiful fish tank everything comes with it even extra rocks. Olean, NY. $25. aquarium with a lid …Introducing new fish to your clean tank requires a careful, phased transition to avoid shock and stress. First, float the bag your new fish came in within the tank water for around 15 to 20 minutes to equalize the temperatures. Then, gradually add tank water to the bag roughly every ten minutes until it’s mostly tank water, and finally ... Melbourne, VIC. A$50. Melbourne, VIC. A$25. Melbourne, VIC. New and used Aquarium for sale in Melbourne, Victoria, Australia on Facebook Marketplace. Find great deals and sell your items for free. Product condition: New. See details. 200 gallon reef. Reef tank acrylic · a countryregion of manufacture united states · a water type -> all types · an unit type equivalent to gal · A shape -> cylinder · especially: cylinder, aquarium. Kauai1 sells in Usa ¬. Del Mar. eBay. Price: 3 000 $. Product condition: Used. New and used Aquarium for sale in Olympia, Washington on Facebook Marketplace. Find great deals and sell your items for free. Aquarium Chiller used 1/10 HP JBJ Artica Aquarium Fish Tank Chiller. $300. brentwood / oakley 160 Gallon Glass Fish Tank with Stand, Canopy, and Accessories ... Also, accept fish tanks, aquarium accessories, and equipment; Donated aquariums will be used for environmental education. There are various ways to donate old aquarium tanks, and national donation programmes make the process simple. By contributing to any of the organizations mentioned above, you can spread some joy, …Fish tank never been used. Dundee. £200. 250 ltr fish tank. Stirling. £30. Qubiq 30l fish tank. Arbroath, Angus. £40 £50. Fish tank with cabinets. Cupar, Fife. £30. Fish tank. Arbroath, Angus. £80 £100. 90 Liter Fish Tank With everything needed to start. Forfar, Angus. £30. Tropical fish tank, pump and all accessories.New and used Aquarium for sale in Olympia, Washington on Facebook Marketplace. Find great deals and sell your items for free. Used fish tanks, Indoor Used 4.8L Clear Plastic Fish Bowl Aquarium, Plastic Fish Tank for Sale $0.50 - $1.80, 2,041 ads Second-Hand Aquariums for Sale. Save search alert. Choose distance. Featured. 8. Aquarium fish tank. Loads of bogwood some very big bits and Hundreds of various …, Pets | Pet Food & Accessories | Fish Food & Accessories | Aquariums / Fish Tanks | Bradford. £100. New. Fish tank. Bridlington, East Riding Of Yorkshire. 65L fish tank 100w heater 300lph filter Sponge filter Air pump Sand and aqua soil substrate Ornaments Lights It's a full set up ready to go. £40 Read more >>., Bird Cages Large/Med/Small, Heavy Duty Wood Stand, Aquarium/Fish Tanks. $0. Largo Live Seafood Display Holding Systems Tank Rectangular Hexagonal Ther. $1,780. 100% ... , New and used Aquarium for sale in Charlotte, North Carolina on Facebook Marketplace. Find great deals and sell your items for free. , New and used Aquarium for sale in Pittsburgh, Pennsylvania on Facebook Marketplace. Find great deals and sell your items for free., 60 Gallon Aquarium. Trussville, AL. $600. Aquarium 120 gallon. Chelsea, AL. $225 $250. Fish Tank. Oneonta, AL. New and used Aquarium for sale in Birmingham, Alabama on Facebook Marketplace., New and used Aquarium for sale in Wayne, New Jersey on Facebook Marketplace. Find great deals and sell your items for free., Fluval Plant and Shrimp Stratum, For Fish Tanks, 8.8 lbs., $19.09. Free shipping. Only 2 left. New Listing Fluval Fx6 Aquarium Canister Filter. $69.00. 0 bids. $35.35 shipping. Ending …, 20 gallon aquarium, fish tank with stand heat lamp, UV light and bowl. Spring Hill, FL. $100. Fish Tank 20”gallon. Spring Hill, FL. $50 $55. Fish tank. Tampa, FL. New and used Aquarium for sale in Spring Hill, Florida on Facebook Marketplace. , Milwaukee, WI. $450 $500. 70 Gallon Fish tank and Stand. Milwaukee, WI. $100. 30 Gallon fish tank with stand $100.00. Milwaukee, WI. New and used Aquarium for sale in Milwaukee, Wisconsin on Facebook Marketplace. Find great deals and sell your items for free. , Johnston, RI. $70. 75 gallon aqueon aquarium. Attleboro, MA. $50. Fish tank. East Providence, RI. $75. Established 25 gal fish tank. Warwick, RI. $25$30. Fish tank …, This fish tank new at the moment is £3150.00 - reduced to £2519.99 and is on sale at swa. Colchester, Essex. £495. 7 days ago. 5. Aquarium Carbon-Dioxide CO2 kit for plant growth in fish tank . CO2 kit for aquarium Unused new starter set (purchased for £69.95) Full kit: 95g CO2 cylinder & stand, regulator valve, diffuser, non-return valve ..., Rubbing alcohol. Rags / paper towels. Painter's tape. Aquarium-safe silicone. Latex gloves. 1. Clean the aquarium and remove the old silicone. You need the aquarium to be completely clean to ensure a good seal. Vacuum it out, wipe all the gunk off the glass, and then start scraping off the old silicone., C$35. 2 - 20 gallon aquariums. Burnaby, BC. C$40. Mini aquarium. Vancouver, BC. New and used Aquarium for sale in Vancouver, British Columbia on Facebook Marketplace. Find great deals and sell your items for free. , New and used Aquarium for sale in Las Vegas, Nevada on Facebook Marketplace. Find great deals and sell your items for free. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Las Vegas, Nevada. Filters. Free. Fish tank. Las Vegas, NV. $60. Fish Tank. Las Vegas, NV. $40. 3 GAL BIORB Fish Tank. Las Vegas, NV. $10. 6 …, , The vast majority of traditional glass fish tanks with glass lids are not turtle-proof. Turtles can easily break the glass with their claws and shells, seriously injuring themselves in the process. If you want to keep turtles in your fish tank, they will need some kind of protective covering over the top of it when it isn’t being supervised., Phoenix, Kwazulu-Natal, South Africa. ZAR100ZAR120. Fish tank only. Durban, KwaZulu-Natal. ZAR970. Fully set up Planted Aquarium. Durban, KwaZulu-Natal. New and used Aquarium for sale in Durban, KwaZulu-Natal on Facebook Marketplace. Find great deals and sell your items for free. , Buy and sell used aquarium with local pick-up or shipped across the country. Log in to get the full Facebook Marketplace experience. Log In. Learn more. Marketplace › Pet Supplies › Fish Supplies › Fish Aquariums. Aquarium Near Parris Island, South Carolina. Filters. $30. fish tanks. Beaufort, SC. $50. Fish Tank Decor. Port Royal, SC. $100 $120. Fish Tank …, 6.5 Gallon Semi-Hex Aquarium Starter Kit Fish Tank Plastic with LED and Filter. Pre-Owned. $20.00. 2 bids. Aquaponic Fish Tank 4-Grid Desktop Fish Tank Rectangle Acrylic Betta Fish Tank. Brand New. $47.00. $10 off $200+ with coupon. Was: $50.00 6% off. , Buy and sell used aquarium with local pick-up or shipped across the country. Log in to get the full Facebook Marketplace experience. Log In. Learn more. $60 $125. 50 Gallon Fish Tank And Stand. Lafayette, LA. $125 $150. 5 Gallon Fish Tank Kit., 10 gallon fish tank. Tucson, AZ. $50. Fish tank decor. Tucson, AZ. $200 $250. 60 Gallon Aquarium with Cabinet Stand + Extras. Tucson, AZ. New and used Aquarium for sale in Tucson, Arizona on Facebook Marketplace., Aquarium sands and other substrates can also be used to improve the chemistry of the water. For instance, if your fish require hard water, limestone gravel or a coral substrate can help you achieve the correct hardness and alkalinity levels. Moreover, substrate can provide a safe home for fish eggs. Larger-sized substrates allow eggs to …, 1. Cedar. Cedar is an evergreen, so it isn’t surprising that this wood has been used by the aquarium industry. However, cedar has tannins embedded in its bark that can cause problems for your fish. Not only will the tannic acid cause your water to turn dark brown, but it can also cause stress in your fish., Chicago, IL. $40. Fish tank. Chicago, IL. $30$40. Fish Tank. Alsip, IL. New and used Aquarium for sale in Chicago, Illinois on Facebook Marketplace. Find great deals and sell your items for free., Ultum Nature Systems Dual All in One Complete Rimless Aquarium for Freshwater & Saltwater Tanks, Triple-Chamber Filter System Included, Integrated Fish Tank Kit w/Sleek Design - 7 Gallon, 30A, Black. 9. $16499 ($164.99/Count) FREE delivery Apr 24 - 26. Or fastest delivery Tue, Apr 23., This type of water has 0 Total Dissolved Solids (TDS) which makes it the softest possible. Water with no TDS is harmful to fish since it sucks the minerals out of their body through osmotic pressure. Following these thoughts, distilled water can be used for reducing the hardness of tap water used in a fish tank., Buy and sell used aquarium with local pick-up or shipped across the country. Log in to get the full Facebook Marketplace experience. Log In. Learn more. $60 $125. 50 Gallon Fish Tank And Stand. Lafayette, LA. $125 $150. 5 Gallon Fish Tank Kit., Metairie, LA. $1. Aquariums & Reptile tank. Chalmette, LA. $45 $55. 29 gallon aquarium withtwo skimmer filters, decoration, filters. Marrero, LA. $125 $200. 50 gallon Fish tank for sale w/ stand, filter and black light., 1. Cedar. Cedar is an evergreen, so it isn’t surprising that this wood has been used by the aquarium industry. However, cedar has tannins embedded in its bark that can cause problems for your fish. Not only will the tannic acid cause your water to turn dark brown, but it can also cause stress in your fish., 55 gallon fish tank. Bridgewater, MA. $100. COMPLETE FISHTANK + EXTRAS. Providence, RI. $20. Imagitarium 2 Galon Fish Tank. Rochester, MA. New and used Aquarium for sale in Providence, Rhode Island on Facebook Marketplace. , Introducing new fish to your clean tank requires a careful, phased transition to avoid shock and stress. First, float the bag your new fish came in within the tank water for around 15 to 20 minutes to equalize the temperatures. Then, gradually add tank water to the bag roughly every ten minutes until it’s mostly tank water, and finally ...