10 Best Freshwater Aquarium Supplies
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

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9.9
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API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single

API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit

White, Single

by Aquarium Pharmaceuticals
What We like

Designed for use in freshwater aquariums only

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Product Features

  • Use for weekly monitoring and when water or fish problems appear
  • Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap
  • Accurately monitors 5 most vital water parameters levels in freshwater aquariums: pH, high range pH, ammonia, nitrite, nitrate
  • Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss

Helps monitor water quality and prevent invisible water problems that can be harmful to fish and cause fish loss Contains one (1) api freshwater master test kit 800-test freshwater aquarium water master test kit, including 7 bottles of testing solutions, 1 color card and 4 glass tubes with cap Accurately monitors 5 most vital water parameters levels in freshwater aquariums: ph, high range ph, ammonia, nitrite, nitrate Use for weekly monitoring and when water or fish problems appear

2
9.7
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API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce Bottle

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce Bottle

by Aquarium Pharmaceuticals
What We like

Allows instant addition of fish when starting a new aquarium

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Product Features

  • Helps prevent fish loss in freshwater and saltwater aquariums
  • Use when starting a new aquarium, when adding new fish and when changing water and filter media
  • Contains one (1) API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce Bottle
  • Reduces compounds harmful to fish when used routinely

Helps prevent fish loss in freshwater and saltwater aquariums Use when starting a new aquarium, when adding new fish and when changing water and filter media Contains one (1) api quick start freshwater and saltwater aquarium nitrifying bacteria 16-ounce bottle Reduces compounds harmful to fish when used routinely

3
9.5
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API AMMO-LOCK Freshwater and Saltwater Aquarium Ammonia Detoxifier 16-Ounce Bottle

API AMMO-LOCK Freshwater and Saltwater Aquarium Ammonia Detoxifier 16-Ounce Bottle

by Aquarium Pharmaceuticals
What We like

Dose freshwater and saltwater every two days until ammonia is not detected

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Product Features

  • Eliminates fish stress caused by ammonia in freshwater and saltwater aquariums
  • Detoxifies ammonia in aquarium water and tap water
  • Works instantly to make aquarium water safe for fish
  • Contains one (1) API AMMO-LOCK Freshwater and Saltwater Aquarium Ammonia Detoxifier 16-Ounce Bottle

Detoxifies ammonia in aquarium water and tap water Eliminates fish stress caused by ammonia in freshwater and saltwater aquariums Contains one (1) api ammo-lock freshwater and saltwater aquarium ammonia detoxifier 16-ounce bottle Works instantly to make aquarium water safe for fish

4
9.2
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API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle

API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle

by Aquarium Pharmaceuticals
What We like

Clumps floating particles into large clusters that can be easily removed by an aquarium filter

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Product Features

  • Clears cloudy aquarium water
  • Works fast and maximizes filter efficiency
  • Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
  • Use weekly and when cloudy water is observed in freshwater aquariums only

Works fast and maximizes filter efficiency Clears cloudy aquarium water Use weekly and when cloudy water is observed in freshwater aquariums only Contains one (1) api accu-clear freshwater aquarium water clarifier 8-ounce bottle

5
8.6
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API LEAF ZONE Freshwater Aquarium Plant Fertilizer 16-Ounce Bottle

API LEAF ZONE Freshwater Aquarium Plant Fertilizer 16-Ounce Bottle

by Aquarium Pharmaceuticals
What We like

Item Package weight : 1.25 pounds

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Product Features

  • Promotes healthy aquarium plants
  • Aquarium plant food
  • For freshwater tanks

Aquarium plant food For freshwater tanks Promotes healthy aquarium plants

6
8.5
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API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box

API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box

by Aquarium Pharmaceuticals
What We like

Use when changing water, when setting up a new freshwater aquarium and when treating fish disease

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Product Features

  • Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 65-Ounce Box
  • Improves respiration for fish in freshwater aquariums
  • Promotes fish health and disease recovery with increased electrolytes
  • Made from evaporated sea water for all-natural results

Promotes fish health and disease recovery with increased electrolytes Contains one (1) api aquarium salt freshwater aquarium salt 65-ounce box Improves respiration for fish in freshwater aquariums Made from evaporated sea water for all-natural results

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7.6
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Tetra Correct pH Tablets 8 Count, For aquarium Water

Tetra Correct pH Tablets 8 Count

For aquarium Water

by Tetra
What We like

EASY TO USE: Holds proper pH for several weeks.

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Product Features

  • MAINTAINS NEUTRAL pH: Helps maintain ideal pH levels in aquarium water.
  • CONVENIENT: Each fizz tab is pre-measured and ready for use.
  • REDUCES STRESS TO FISH: Maintaining recommended pH levels is vital to ensuring a healthy environment.
  • USAGE: Test water and use monthly to help maintain your aquarium pH levels.

Reduces stress to fish: maintaining recommended ph levels is vital to ensuring a healthy environment. Maintains neutral ph: helps maintain ideal ph levels in aquarium water. Usage: test water and use monthly to help maintain your aquarium ph levels. Convenient: each fizz tab is pre-measured and ready for use.

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7.2
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PINVNBY Coral Aquarium Decoration Fish Tank Resin Rock Mountain Cave Ornaments Betta Fish House for Betta Sleep Rest Hide Play Breed

PINVNBY Coral Aquarium Decoration Fish Tank Resin Rock Mountain Cave Ornaments Betta Fish House for Betta Sleep Rest Hide Play Breed

by PINVNBY
What We like

Solid one piece construction, it features aeration holes and swim-through chambers, provides a place for nitrifying photosynthetic bacteria to attach, make a healthy environment for your fish pets.

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Product Features

  • The Colorful Coral Aquarium Decoration is Medium Size: 6.3H*4.7L*4.7W,Great for fish tank decorations, model making,terrarium, marine aquariums, mini garden, fairy garden, gnome garden.
  • Coral decoration made of high quality environmental protection resin,non-toxic and safe,have a supper performance underwater,suit for all terrariums, aquariums, freshwater & saltwater. It doesnt pose harm to your aquatic animals nor create any ill impact on water quality.
  • The Coral Aquarium are 3 holes on the Rock fish decor, your lovely pet betta or other smaller fish would be super happy to go in and out the trunk cave to sleep, rest, hide, play, breed
  • The Colorful Coral Aquarium Decoration make your aquarium looks vividly,add to natural color and a beautiful scenery. Also is an excellent hiding cave for fish to play, add more fun to their lives and helps to relieve stress.

The colorful coral aquarium decoration make your aquarium looks vividly,add to natural color and a beautiful scenery. also is an excellent hiding cave for fish to play, add more fun to their lives and helps to relieve stress. The coral aquarium are 3 holes on the rock fish decor, your lovely pet betta or other smaller fish would be super happy to go in and out the trunk cave to sleep, rest, hide, play, breed The colorful coral aquarium decoration is medium size: 6.3h*4.7l*4.7w,great for fish tank decorations, model making,terrarium, marine aquariums, mini garden, fairy garden, gnome garden. Coral decoration made of high quality environmental protection resin,non-toxic and safe,have a supper performance underwater,suit for all terrariums, aquariums, freshwater & saltwater. it doesnt pose harm to your aquatic animals nor create any ill impact on water quality.

9
7.2
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hygger Aquarium Air Stone, Bubble Stone Fish Tank Oxygen Stone Ultra Silent Deep Dissolving Oxygen Diffuser Kit for Aquarium Fish Tank and Hydroponic (Black, 4 Inch)

hygger Aquarium Air Stone

Bubble Stone Fish Tank Oxygen Stone Ultra Silent Deep Dissolving Oxygen Diffuser Kit for Aquarium Fish Tank and Hydroponic (Black, 4 Inch)

by hygger
What We like

Air pump wattage The weighs of air stone is 15.2oz/430g and is easily placed at the bottom of the fish tank, suitable for fresh water and salt water. It is driven by an air pump of 4 watts or more. PS: The deeper the water, you may need to use a larger wattage air pump to drive it

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Product Features

  • Air pump accessories: 4 inch nano air disk stone, 1 control valve, 1 check valve, 2 suction cups, 1 T-shaped connector, 1 reducer of connecting 8mm and 4mm. Note: Hose and air pump are not included
  • Fine bubble Oxygen stone refines the air output from the air pump into a particle bubble, which is smaller and denser, like the "atomization" effect, and the bubble size can be adjusted, and the different oxygenation amount can satisfy different use requirements
  • Quality Nanomaterials: The nano-stone is sintered at high temperature. The material is sturdy and durable. It can be used for a long time and has better dissolved oxygen effect. When the bubble burst into the water, the sound is super quiet

Air pump accessories: 4 inch nano air disk stone, 1 control valve, 1 check valve, 2 suction cups, 1 t-shaped connector, 1 reducer of connecting 8mm and 4mm. note: hose and air pump are not included Quality nanomaterials: the nano-stone is sintered at high temperature. the material is sturdy and durable. it can be used for a long time and has better dissolved oxygen effect. when the bubble burst into the water, the sound is super quiet Fine bubble oxygen stone refines the air output from the air pump into a particle bubble, which is smaller and denser, like the "atomization" effect, and the bubble size can be adjusted, and the different oxygenation amount can satisfy different use requirements

10
7.2
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API PIMAFIX Antifungal Freshwater and Saltwater Fish Remedy 16-Ounce Bottle

API PIMAFIX Antifungal Freshwater and Saltwater Fish Remedy 16-Ounce Bottle

by Aquarium Pharmaceuticals
What We like

Use daily for a week when treating infections

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Product Features

  • Contains one (1) API PIMAFIX Antifungal Freshwater and Saltwater Fish Remedy 16-Ounce Bottle
  • Rapidly and safely treats fungal infections on body and fins of fish
  • Contains all-natural extract from West Indian Bay Trees to help with fungus and cottony growth
  • Helps heal internal and external bacterial infections in freshwater, saltwater and reef aquariums

Rapidly and safely treats fungal infections on body and fins of fish Helps heal internal and external bacterial infections in freshwater, saltwater and reef aquariums Contains all-natural extract from west indian bay trees to help with fungus and cottony growth Contains one (1) api pimafix antifungal freshwater and saltwater fish remedy 16-ounce bottle

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