You're in Fish Supplies

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Aquariums & Accessories

    By Aquarium Supplies & Equipment

    By Image Color

    By Keyword

    1 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement, Designed and Engineered by Crucial Vacuum

    1 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement, Designed and Engineered by Crucial Vacuum

    Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement. Fits Aqua-Tech 20-40 & 30-60 Power Filters. For best results we recommend you change your filter every 2-4 weeks. Changing this couldn't be easier, just shake and rinse! This is a generic... more

    $5.99

    go to store
    Crucial Aqua-Tech EZ-Change Number 3 Aquarium Filter Cartridge Replacements (Set of 2) (aquarium filter), Blue

    Crucial Aqua-Tech EZ-Change Number 3 Aquarium Filter Cartridge Replacements (Set of 2) (aquarium filter), Blue

    Keep aquarium water clean and fresh with these EZ-Change filter cartridge replacements by Think Crucial. Made of plastic, these durable replacements are user-friendly and ensure that aquarium water remains hospitable and safe. Type: Filters Material:... more

    $7.69

    go to store

    Overstock.com

    (675,000+)
    Crucial Aqua-Tech EZ-Change #3 Blue Plastic Aquarium Filter Cartridge Replacement (aquarium filter)

    Crucial Aqua-Tech EZ-Change #3 Blue Plastic Aquarium Filter Cartridge Replacement (aquarium filter)

    Keep your fish happy with this ]aquarium filter cartridge from Think Crucial. Designed to replace Aqua-Tech EZ-Change filters, this filter offers easy compatibility with 20-40 and 30-60 power filters, making it easy to change them out every two to four... more

    $5.99

    go to store

    Overstock.com

    (675,000+)
    2 Aquabot Washable & Reusable Pool (Blue) Filter Bags Fit 8111 & 8101, Designed and Engineered by Crucial Vacuum

    2 Aquabot Washable & Reusable Pool (Blue) Filter Bags Fit 8111 & 8101, Designed and Engineered by Crucial Vacuum

    Aquabot Pool Filter Bag Fits 8111 & 8101. This is washable & reusable! Compare to Part # 8111 & 8101. Replaces part # 001-1140. Approximate dimensions 7.9 x 7.9 x 1.1 inches. This bag is perfect for filtering out dead algae, sand & silt! Designed &... more

    $25.99

    go to store
    3 Aquabot Washable & Reusable Pool (Blue) Filter Bags Fit 8111 & 8101, Designed and Engineered by Crucial Vacuum

    3 Aquabot Washable & Reusable Pool (Blue) Filter Bags Fit 8111 & 8101, Designed and Engineered by Crucial Vacuum

    Aquabot Pool Filter Bag Fits 8111 & 8101. This is washable & reusable! Compare to Part # 8111 & 8101. Replaces part # 001-1140. Approximate dimensions 7.9 x 7.9 x 1.1 inches. This bag is perfect for filtering out dead algae, sand & silt! Designed &... more

    $42.99

    FREE shipping

    go to store
    Crucial Aquarium Filter Cartridges for Aqua-Tech EZ-Change #3 Filters (Set of 4) (aquarium filter), Blue

    Crucial Aquarium Filter Cartridges for Aqua-Tech EZ-Change #3 Filters (Set of 4) (aquarium filter), Blue

    Ensure a clean environment for your aquatic buddies with these handy filter cartridge replacements compatible with Aqua-Tech 20-40 and 30-60 filters. These replacements are designed for quick installation by means of simple shaking and rinsing.... more

    $11.29

    go to store

    Overstock.com

    (675,000+)
    Crucial Aqua-Tech EZ-Change 12-pack #3 Aquarium Filter Cartridge Replacements (aquarium filters), Blue

    Crucial Aqua-Tech EZ-Change 12-pack #3 Aquarium Filter Cartridge Replacements (aquarium filters), Blue

    Keep the water quality of your aquarium at high levels at all times thanks to these practical filter cartridge replacements. Designed with easy changing in mind, this set of 12 replacements guarantees a hassle-free way of keeping your aquarium clean.... more

    $18.09

    go to store

    Overstock.com

    (675,000+)
    Fluval U Series Underwater Filter Fluval U2

    Fluval U Series Underwater Filter Fluval U2

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $39.99

    go to store
    (275,000+)
    Fluval U Series Underwater Filter Fluval U3

    Fluval U Series Underwater Filter Fluval U3

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $49.99

    FREE shipping

    go to store
    (275,000+)
    Pentair E-Z Read Float Thermometer | R141200

    Pentair E-Z Read Float Thermometer | R141200

    The Pentair E-Z Read Float Thermometer is a high quality swimming pool and spa thermometer that reads your water's temperature in both Fahrenheit and Celsius to give you crucial information about your pool. The E-Z Read thermometer has a flotation top more

    $11.99

    FREE shipping

    go to store

    VMInnovations

    (10,000+)
    Marina CF Biological Media

    Marina CF Biological Media

    Marina Biological Media provides surface area for the growth the beneficial bacteria that is crucial to your filtration. Designed for the Marina CF Canister Filters ; the bacteria that grows on the surface of the media helps break down waste and... more

    $5.19

    go to store
    Florin-K Potassium Source for Planted Aquariums - 5.3 gal.

    Florin-K Potassium Source for Planted Aquariums - 5.3 gal.

    Concentrated source of high-purity potassium for aquatic plants. Potassium helps activate enzymes in various biochemical reactions crucial for plant health and growth. Formulated following extensive research in aquatic plant requirements. Please call... more

    $193.40

    go to store
    Crucial Linx Washable Foam Sponge Filter 609722029742

    Crucial Linx Washable Foam Sponge Filter 609722029742

    Crucial Linx Washable Foam Sponge Filter Features: -Fits all platinum corded and cordless vacuums, linx hand vac and linx upright including models BH50010, BH50015 and SH20030.-Replaces platinum linx part 902185003, 562161003 and 410044001.-Absolutely... more

    $15.99

    go to store
    Crucial Canister Filter 609722030106

    Crucial Canister Filter 609722030106

    Crucial Canister Filter Features: -Washable and reusable.-Designed and engineered.-If you have allergies and this filter is absolutely essential for allergy sufferers 99.97% allergen filtration.Dimensions: -Overall Product Weight: 0.3. 609722030106 more

    $20.99

    go to store
    1 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement

    1 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement

    Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement. Fits Aqua-Tech 20-40 & 30-60 Power Filters. For best results we recommend you change your filter every 2-4 weeks. Changing this couldn't be easier, just shake and rinse!This is a generic... more

    $5.99

    go to store
    2 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement

    2 Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement

    Aqua-Tech EZ-Change #3 Aquarium Filter Cartridge Replacement. Fits Aqua-Tech 20-40 & 30-60 Power Filters. For best results we recommend you change your filter every 2-4 weeks. Changing this couldn't be easier, just shake and rinse!This is a generic... more

    $7.69

    go to store
    Fluval Filter Foam Block for FX5 (3 Pack)

    Fluval Filter Foam Block for FX5 (3 Pack)

    Fluval Foam Inserts capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for... more

    $19.10 $11.99

    go to store
    Elos Aqua Test CA - Calcium test Kit

    Elos Aqua Test CA - Calcium test Kit

    Lab Quality Calcium (Ca) Water Analysis for the Marine Hobbyist Calcium is the primary building block for corals, calms, calcareous algae and many other marine organisms that we grow in our aquarium. Accurracy and consistancy is crucial to guarantee... more

    $27.99

    go to store
    Coralife Aqualight T5 Fluorescent Light for Freshwater (48 Inch, 2 x 28 Watt Lamps)

    Coralife Aqualight T5 Fluorescent Light for Freshwater (48 Inch, 2 x 28 Watt Lamps)

    It's easy to overlook the importance of aquarium lighting. It's understandable because the importance of a good pump and adequate filters can't be overstated enough; these two pieces of crucial equipment definitely factor in to the overall health of... more

    $60.50

    go to store
    Marineland Tidepool Pool Pad Pack

    Marineland Tidepool Pool Pad Pack

    An aquarium system's filter is probably one of the most crucial pieces of equipment for your aquatic environment. The filter's importance cannot be overlooked, underestimated or ignored. The filter does a lot of heavy lifting if you think about it. more

    $12.79

    go to store
    Sunleaves Round Air Stone, 8""

    Sunleaves Round Air Stone, 8""

    Get oxygen circulating properly in your hydroponics resevoir with a Sunleaves 8"" Round Air Stone. This air diffuser is circular in shape and will be a steady source of delicious oxygen for your oxygen-hungry plants. Oxygen is crucial to plants for... more

    $22.99

    FREE shipping

    go to store
    Fluval U4 Filter Foam Pad (2 pack)

    Fluval U4 Filter Foam Pad (2 pack)

    Fluval Foam pads capture large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, they have a pore size that allows efficient water flow with less clogging for... more

    $7.99 $5.79

    go to store
    Fluval U3 Underwater Filter Poly/Carbon

    Fluval U3 Underwater Filter Poly/Carbon

    Fluval U3 Underwater Filter Poly/Carbon Fluval Poly/Carbon Cartridges feature two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The... more

    $5.99

    go to store
    "Powerheat De-icer, Size: 500 WATT, UPC# 015561216432, Mfg# PT1643, Free Shipping"

    "Powerheat De-icer, Size: 500 WATT, UPC# 015561216432, Mfg# PT1643, Free Shipping"

    "Powerheat De-icer Size: 500 WATT Pond SuppliesKeeps an area thawed, preventing the pond from completely freezing and allows for crucial gas exchange.Safe for plastic and liner ponds, will not harm fish.Made from stainless steel which gives it an... more

    $178.36

    FREE shipping

    go to store
    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 14,000 degreeK (Mfg# A17514)

    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 14,000 degreeK (Mfg# A17514)

    Up to 40% Off Treats!

    Replace bulbs past their rated useful life to ensure crucial light intensity and spectral output. A fresh, new Hamilton Technology 175W Screw Socket Metal Halide Bulb supplies the most concentrated light intensity, color spectrum and wavelength... more

    $59.95

    FREE shipping

    go to store
    (275,000+)
    Fluval U Series Underwater Filter Fluval U1

    Fluval U Series Underwater Filter Fluval U1

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $29.99

    go to store
    (275,000+)
    Hamilton Technology Screw Socket Metal Halide Bulb - 400W 10,000 degreeK (Mfg# A40010)

    Hamilton Technology Screw Socket Metal Halide Bulb - 400W 10,000 degreeK (Mfg# A40010)

    Up to 40% Off Treats!

    Replace bulbs past their rated useful life to ensure crucial light intensity and spectral output. A fresh, new Hamilton Technology 400W Screw Socket Metal Halide Bulb supplies the most concentrated light intensity, color spectrum and wavelength... more

    $59.99

    FREE shipping

    go to store
    (275,000+)
    BioCube Circulation Pump 250 gph

    BioCube Circulation Pump 250 gph

    Up to 40% Off Treats!

    Mini water circulation pump for BioCube Aquarium Systems Provides crucial water movement in aquariums up to 30 gallons Simulates natural reef and river currents in your nano aquarium Compact circulation pump enhance vital water movement in your BioCube... more

    $23.99

    go to store
    (275,000+)
    Red Sea Potassium Pro Test Kit Refill Kit

    Red Sea Potassium Pro Test Kit Refill Kit

    Up to 40% Off Treats!

    Crucial test kit for coral reef aquariums supplemented with potassium Advanced hand-held potassium titration test kit for precision results Ensure accurate dosing with routine tests of aquarium potassium levels Advanced potassium test kit includes a... more

    $18.99

    go to store
    (275,000+)
    Reef Kalkwasser 1 kg

    Reef Kalkwasser 1 kg

    Up to 40% Off Treats!

    Pure calcium hydroxide with unsurpassed purity and solubility Increases or maintains calcium concentration at natural seawater levels Ideal way to maintain crucial calcium levels in reef aquariums Ultra fine, easy-to-mix, powdered calcium hydroxide for... more

    $23.56

    go to store
    (275,000+)
    Hqrp 12

    Hqrp 12

    The HQRP Plant Grow Panel Lamp System is the perfect tool in growing plants to maximum health and full potential. This LED light technology has been scientifically proven as a crucial tool in providing plants with essential elements and enhancing the... more

    $35.39

    FREE shipping

    go to store
    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 10,000 degreeK (Mfg# A17510)

    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 10,000 degreeK (Mfg# A17510)

    Up to 40% Off Treats!

    Replace bulbs past their rated useful life to ensure crucial light intensity and spectral output. A fresh, new Hamilton Technology 175W Screw Socket Metal Halide Bulb supplies the most concentrated light intensity, color spectrum and wavelength... more

    $59.99

    FREE shipping

    go to store
    (275,000+)
    Saltwater Basic Test Kits Marine Basic

    Saltwater Basic Test Kits Marine Basic

    Up to 40% Off Treats!

    Precision test kit for water parameters crucial to marine aquariums Easy-to-use aquarium test kit for beginners and experienced reef-keepers Economical and accurate aquarium test kit simplifies routine testing Economical solution for monitoring crucial... more

    $34.43

    go to store
    (275,000+)
    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 6,500 degreeK (Mfg# A17565)

    Hamilton Technology Screw Socket Metal Halide Bulb - 175W 6,500 degreeK (Mfg# A17565)

    Up to 40% Off Treats!

    Replace bulbs past their rated useful life to ensure crucial light intensity and spectral output. A fresh, new Hamilton Technology 175W Screw Socket Metal Halide Bulb supplies the most concentrated light intensity, color spectrum and wavelength... more

    $59.99

    FREE shipping

    go to store
    (275,000+)
    Fluval U Series Underwater Filter U3 Poly/Carbon (2 pk)

    Fluval U Series Underwater Filter U3 Poly/Carbon (2 pk)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $4.99

    go to store
    (275,000+)
    Fluval U Series Underwater Filter Repl BioMAX (170 grams)

    Fluval U Series Underwater Filter Repl BioMAX (170 grams)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $4.99

    go to store
    (275,000+)
    Fluval U Series Underwater Filter U1 Foam Pad (1 pk)

    Fluval U Series Underwater Filter U1 Foam Pad (1 pk)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $1.49

    go to store
    (275,000+)
    Fluval U Series Underwater Filter U2 Poly/Carbon (2 pk)

    Fluval U Series Underwater Filter U2 Poly/Carbon (2 pk)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $3.99

    go to store
    (275,000+)
    Fluval U Series Underwater Filter U2 Foam Pad (2 pk)

    Fluval U Series Underwater Filter U2 Foam Pad (2 pk)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $2.99

    go to store
    (275,000+)
    Fluval U Series Underwater Filter U3 Foam Pad (2 pk)

    Fluval U Series Underwater Filter U3 Foam Pad (2 pk)

    Up to 40% Off Treats!

    Fully submersible aquarium filter for enhanced filtration options Boost aquarium filtration, water movement and crucial aeration Underwater filter features flip-top access for easy media change Open your eyes to a world of unsurpassed underwater... more

    $2.99

    go to store
    (275,000+)

    More information about Fish Supplies

    Best prices on Crucial tech crucial in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.