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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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Two Little Fishies CombiSan - 8 oz.

Two Little Fishies CombiSan - 8 oz.

TwoLittleFishies CombiSan (New updated Formula) is a bio-activator that contains all essential trace elements in special compounds easily absorbed by invertebrates, micro-organisms,marine fish. You can depend on CombiSan to replen...

$14.99
Two Little Fishies Sea Elements 250 mL

Two Little Fishies Sea Elements 250 mL

TwoLittleFishies Sea Elements 250ML  Trace and minor element supplement for Marine Aquariums, developed by Julian Sprung. Independent studies show that some trace elements accumulate in home aquariums to potentially toxic lev...

$13.48
Two Little Fishies Strontium Concentrate 250 mL

Two Little Fishies Strontium Concentrate 250 mL

Two Little Fishies Performance Strontium ConcentrateTM - is a solution that contains the element strontium in a form easily absorbed by marinelife. Biological processes, precipitation, and incorporation by marinelife all rapidly d...

$5.99
Two Little Fishies Iodine Concentrate 250 mL

Two Little Fishies Iodine Concentrate 250 mL

Performance Iodine ConcentrateTM Two Little Fishies Performance Iodine ConcentrateTM is a solution that provides the element iodine in a form easily utilized by marinelife. Biological processes, filtration, precipitation, and inco...

$5.98
Two Little Fishies Kalkwasser

Two Little Fishies Kalkwasser

Stock up your tanks with the calcium, which your corals, calcareous algae, and clams need with the Two Little Fishies Kalkwassar from Pet Store . This saturated Calcium Hydroxide, also known as Kalkwasser, maintains the alkalinit...

From $9.99
Two Little Fishies C-Balance

Two Little Fishies C-Balance

Calcium tends to run out fast in aquariums, especially in reef aquariums. Corals use up a lot of calcium while developing, so it is very essential that they have a generous supply of it when forming their exoskeletons. But just li...

From $18.48
Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies AcroPower Amino Acids for SPS corals

Two Little Fishies` new formula supplies amino acids that corals need to build their skeletal architecture. Corals, like other cnidaria, have a special ability to uptake dissolved amino acids across their entire surface. Closed sy...

From $8.99
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
Two Little Fishies pH-Balance Marine Aquarium Buffer

Two Little Fishies pH-Balance Marine Aquarium Buffer

Two Little Fishies - pH-Balance Marine Aquarium Buffer The pH of seawater in the open ocean is stable, normally between 8.0 and 8.3due to the carbonate-bicarbonate buffering system. In tide pools and aquariums the pH can vary m...

From $7.48
Two Little Fishies BioPronto Marine

Two Little Fishies BioPronto Marine

Two Little Fishies BioPronto Marine contains cultured naturally occurring microbes that rapidly start the biological filtration process. Use it to start the nitrification cycle in new aquariums or to enhance nitrification and deni...

From $12.99
Two Little Fishies BioPronto Freshwater 125 mL

Two Little Fishies BioPronto Freshwater 125 mL

BioPronto (Freshwater) contains cultured naturally occurring microbes that rapidly start the biological filtration process in freshwater aquariums. Use it to rapidly start the nitrification cycle in new aquariums or to enhance nit...

$6.49
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