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Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.
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451 - 296 of 296
Brightwell Aquatics KoralColor - Encourages Increased Coloration in Corals 250mL / 8.5oz

Brightwell Aquatics KoralColor - Encourages Increased Coloration in Corals 250mL / 8.5oz

• Provides numerous elements important to the formation of various biochromes (biological pigments), complex molecules that give coloration to plant and animal cells through their selective color-absorpt...

$10.90
Kordon Amquel 16 oz.

Kordon Amquel 16 oz.

Removes ammonia, chloramines, chlorine, and many other organic toxins. Completely non-toxic, contains no formaldehyde, and will not effect dissolved oxygen levels. Novaqua can be used with it to fully condition water. One teaspoon...

$7.75
Instant Ocean - Aquarium Systems Marine Stabilizer

Instant Ocean - Aquarium Systems Marine Stabilizer

Marine aquarium chemistry can change quickly with normal biological processes; Marine Stabilizer prevents unhealthy fluctuations. The simple to use weekly additive, eliminates water care guesswork. The addition of vitamins and min...

From $9.81
Kordon Novaqua Plus 5 Gallon

Kordon Novaqua Plus 5 Gallon

Provides a Protective Skin Slime Contains Organic Immune Health Aids Adds Electrolytes and Vitamins Provides an Organic Virus Inhibitor Removes Chlorine & Toxic Metals Breaks Down Chloramines A single dose of NovAqua Plus will hel...

$169.30
Prodibio STRONTI+ PRO - 10 Vials

Prodibio STRONTI+ PRO - 10 Vials

Hard corals need Strontium as well as calcium to form their skeleton. In the ocean, currents provide all the necessary elements. In the closed environment of the aquarium, Strontium demand is constant so its input is necessary. ...

$119.99
Prodibio STOP AMMO PRO - 10 vials of 10ml each

Prodibio STOP AMMO PRO - 10 vials of 10ml each

Ammonium is very toxic in an aquarium, especially when the pH level exceeds 7.5. It is the cause of nitrite surges and the cause of stress, immunity deficiency and damage to the gills. STOP AMMO made from natural plant extracts, ...

$119.98 $60.99
H2O Life V2H Coral Food Soak 2oz

H2O Life V2H Coral Food Soak 2oz

It’s all about the V... Vitamins, Vitality, Vibrant colors, and Voracious appetites... H2O LIFE brings a whole new meaning to the “V” word. It’s what you get when you take Vitamins and add Garlic—nature’s own miracle elixir that ...

$9.89
Korallin PO4 Minus

Korallin PO4 Minus

Are you tired of constantly replacing the water in your aquarium because it seems to be getting dirty too often? Do you want to be assured with a way to keep the liquid clean and healthy without spending money on electricity and g...

$25.49
Prodibio IODI+ PRO - 10 Vials

Prodibio IODI+ PRO - 10 Vials

IODINE is a very important trace element. It is rapidly eliminated by invertebrates, protein skimmer, active carbon, algae or is dispersed into the atmosphere. IODI + gives your aquarium the iodine it needs for the development an...

$110.00
Boyd Enterprises Marine Vita-Chem 16oz

Boyd Enterprises Marine Vita-Chem 16oz

Do you think that the fish living in your saltwater aquarium needs more nutrients in their food? You should know that animals in freshwater aquariums do not have the same diet and nutritional requirements as their saltwater counte...

$29.61
Jungle Labs Ammonia Chlorine Eliminator 2oz Liquid

Jungle Labs Ammonia Chlorine Eliminator 2oz Liquid

Ammonia Chloramine Eliminator (Liquid),"• For Freshwater, Saltwater, Goldfish • Removes Ammonia, Chloramine & Chlorine","Neutralizes the harmful effects of ammonia, chloramine and chlorine. Safe and ...

$6.33
Aquarium Pharmaceuticals® API Stress Coat 4 Oz

Aquarium Pharmaceuticals® API Stress Coat 4 Oz

Acts as a liquid bandage to prevent the loss of essential electroytes; protects damaged tissue against disease-causing organisms. Helps heal torn fins & skin wounds. Use when setting up aquarium or changing water. Contains aloe ve...

$3.20
Biosafe Systems Greenclean Tabs 3 Lb

Biosafe Systems Greenclean Tabs 3 Lb

Same formulation as Green Clean Granular Algaecide but compressed into tablets for easy application use. No measuring required. Slow release maintenance application. Non-harmful to fish, aquatic plants and pets. Use 1 tablet per 2...

$32.10
Aqua Vision Aquatics Precision Aquarium Supplements - Medi-Pak

Aqua Vision Aquatics Precision Aquarium Supplements - Medi-Pak

Aqua Vision Aquatics Aiptasia Solution - .68 oz Use Aiptasia Solution for the treatment of Aiptasia and Majano anemones. This product is simple to apply and works quickly often yielding results within minutes of application....

$104.99
Tetra Correct Ph 8 Tabs

Tetra Correct Ph 8 Tabs

Correct pH 7.0: Maintains Neutral pH in Community Aquariums. Changes in pH can be caused by the breakdown of waste or local tap water with low pH or low alkalinity. Correct pH maintains recommended levels. Reduces fish stress due...

$2.46
Tetra Instant Ocean Biospira Saltwater 100 mL

Tetra Instant Ocean Biospira Saltwater 100 mL

Patented nitrifying bacteria make marine aquariums fish-safe instantly. Instantly make your marine aquarium fish-safe with BIO-Spira. Natural bacteria additive accelerates the establishment of the bio-filter by providing a patente...

$10.63
Biosafe Systems Greenclean Blue Colorant 16 Oz

Biosafe Systems Greenclean Blue Colorant 16 Oz

Prevents the UV rays from the sun from penetrating through water, thereby preventing photosynthesis of all types of excessive plant growth. 16 oz

$19.66
Two Little Fishies Magnesium Pronto

Two Little Fishies Magnesium Pronto

Two Little Fishies Magnesium Pronto is a fast-dissolving blend of pure anhydrous magnesium chloride and magnesium sulfate that makes it easy and economical to rapidly raise the magnesium ion concentration in aquariums. Supplemen...

From $13.99
Two Little Fishies KH Power

Two Little Fishies KH Power

KH Power is a fast-dissolving dry powdered blend of carbonate, bicarbonate, and borate salts designed to raise alkalinity and achieve a stable pH. After a pH of 8.3 is achieved, further additions of KH Power raise the alkalinity...

From $9.99
451 - 296 of 296
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