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Liquid supplement of iron, manganese, potassium and other micronutrientsReplenish iron and manganese to help spur saltwater macro-algae growthAlso use in freshwater aquariums to encourage healthy growth of aquatic plantsReplenish iron and manganese for healthy aquatic plant growth. Kent Marine Iron and Manganese contains iron, manganese, potassium and other micronutrients in an easy-to-dose liquid supplement. Chelated iron and manganese stays in solution longer to provide lasting nutrient benefits to macro-algae, corals, and freshwater plants without undesirable algae growth. Great for marine aquariums and refugiums housing desirable macro-algae such as caulerpa or freshwater aquariums with aquatic plants. 16 oz treats 4,700 gallons.Suggested Use: Add 5ml (1 teaspoon) per 50 gallon of aquarium capacity every week OR 8 drops each day.Please click on "More Information" for recommended dosage and guaranteed analysis.

High-quality, calcium supplement for reef aquariumsCalcium hydroxide mix replenishes calcium and maintains aquarium alkalinityEssential reef supplement for healthy growth of corals, clams, and calcareous algaeThis calcium from Two Little Fishies supplement replenishes calcium and maintains alkalinity in marine reef aquariums. It also precipitates phosphate from the water and thus promotes a cleaner, healthier aquarium for growing corals, clams, and calcareous algae. A pure source of calcium hydroxide. One pound makes up to 225 gallons of mix. Use drip system or dosing pump to dispense into aquarium system.Please click on "More Information" for directions for use.

High-quality, calcium supplement for reef aquariumsCalcium hydroxide mix replenishes calcium and maintains aquarium alkalinityEssential reef supplement for healthy growth of corals, clams, and calcareous algaeThis calcium from Two Little Fishies supplement replenishes calcium and maintains alkalinity in marine reef aquariums. It also precipitates phosphate from the water and thus promotes a cleaner, healthier aquarium for growing corals, clams, and calcareous algae. A pure source of calcium hydroxide. One pound makes up to 225 gallons of mix. Use drip system or dosing pump to dispense into aquarium system.Please click on "More Information" for directions for use.

Raise and maintain calcium and alkalinity levels in reef aquariumsProvide vital calcium to hard and soft corals and other reef invertebratesEncourage healthy coral growth and lush growth of coralline algaeThe original calcium supplementation method for reef systems. Supplies bio-available calcium for lush growth of purple, pink, and green calcareous algae, snails, hard tube worms, and clams. Contains no gluconates, EDTA, or other organics and is phosphate and nitrate free. With regular use, corals will open more and provide additional long-term results no other calcium supplement can offer. Use 1/8 (minimum) to 2 teaspoons (maximum) Kalkwasser Mix per gallon of fresh water for a stock solution. Use drip system or dosing pump to dispense into aquarium system.Please click on "More Information" for directions for use.

A unique blend of aquacultured, naturally-occurring phytoplankton.

Premium hard and soft coral vitamin and mineral supplement.

Provides bio-available calcium for lush growth of purple, pink and green calcareous algae, snails, hard tube worms and clams.

A great choice for overall reef maintenance.

Contains concentrated, 4 fl. oz. bottles each of Iodine, Strontium & Molybdenum and Liquid Calcium.

This specially formulated pH buffer is designed to adjust the pH balance of saltwater aquariums from 8.0 to 8.3 and build the KH.