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

A great choice for overall reef maintenance.

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

Kent Marine Essential Elements are formulated to replace the biologically important trace minerals that are lacking due to protein skimming, ozone and carbon filtration. Designed for fish and reef systems, Essential Elements does not contain phosphates, heavy metals, nitrates or silicates and will not promote algae growth. Ingredients: Inorganic mineral salts of aluminum, boron, bromine, calcium, chromium, cobalt, copper, iodine, iron, lithium, magnesium, manganese, molybdenum, nickel, potassium, selenium, sulfur, strontium, tin, vanadium, and zinc in a base containing deionized water and EDTA. Size: 8 oz.

Premium hard and soft coral vitamin and mineral supplement.

Kits for the convenient collection, storage and dispensing of RO waterPressurized tank stores up to three gallons of purified reverse osmosis waterCollect purified reverse osmosis water for drinking or for aquarium useInstall these units to your existing reverse osmosis (RO) unit for a convenient supply of clean, crystal clear drinking water. You'll never have to worry about the quality of your water again. Kent Marine Completer Kits are designed for use with any Kent Marine reverse osmosis filter. Enjoy easy storage and convenient access to purified, pollutant-free reverse osmosis water for drinking or for aquarium use. The pressure tank can be set up horizontal or vertical for convenient installation. RO unit sold separately. Note: Do not drink water that passed through a de-ionization chamber. De-ionized reverse osmosis water will likely be too pure for human consumption. Completer Kit Includes: Three-gallon pressurized tank for water storage, bar faucet (sink style with mounting hardware), check valve assembly, Jaco ball valve, Jaco T-connector, drain saddle valve, and six ft length of blue RO tubing.Completer Kit Plus Includes: Everything in Completer Kit plus pressure-sensitive solenoid, Jaco 18L fitting, Jaco 18S fitting check valve, Jaco 18Nip 1/8" Connector, one ft length of blue RO tubing and one ft length of yellow RO tubing.Please click on "More Information" for quick setup guide.

Kits for the convenient collection, storage and dispensing of RO waterPressurized tank stores up to three gallons of purified reverse osmosis waterCollect purified reverse osmosis water for drinking or for aquarium useInstall these units to your existing reverse osmosis (RO) unit for a convenient supply of clean, crystal clear drinking water. You'll never have to worry about the quality of your water again. Kent Marine Completer Kits are designed for use with any Kent Marine reverse osmosis filter. Enjoy easy storage and convenient access to purified, pollutant-free reverse osmosis water for drinking or for aquarium use. The pressure tank can be set up horizontal or vertical for convenient installation. RO unit sold separately. Note: Do not drink water that passed through a de-ionization chamber. De-ionized reverse osmosis water will likely be too pure for human consumption. Completer Kit Includes: Three-gallon pressurized tank for water storage, bar faucet (sink style with mounting hardware), check valve assembly, Jaco ball valve, Jaco T-connector, drain saddle valve, and six ft length of blue RO tubing.Completer Kit Plus Includes: Everything in Completer Kit plus pressure-sensitive solenoid, Jaco 18L fitting, Jaco 18S fitting check valve, Jaco 18Nip 1/8" Connector, one ft length of blue RO tubing and one ft length of yellow RO tubing.Please click on "More Information" for quick setup guide.

A unique blend of aquacultured, naturally-occurring phytoplankton.

Stirs Kalkwasser solution to maximize usable calcium hydroxide production Use with an automated top off system for continuous calcium supplementation Great part of a calcium and alkalinity supplementation regimen for reef aquariums Simplify the once laborious task of preparing Kalkwasser. Innovative device gently stirs Kalkwasser solution with water to maximize Kalkwasser dissolution. Helps produce more usable calcium hydroxide solution for your reef aquarium inhabitants. Kalkwasser is the original marine calcium supplement/alkalinity buffer that promotes beautiful coralline algae growth. Kalkwasser also binds phosphate, an attribute no other calcium addition can boast. Connect with an automated doser or top off system to deliver the freshest possible Kalkwasser solution on demand. Includes 1 lb of Kalkwasser Powder. Model Aquarium SizeDimensions Media Chamber Volume Recommended Media 1000 Up to 400 gallons 4" dia x 18-1/4" high 0.8 gallons150 g 5000 Up to 1,250 gallons8" dia x 22-1/2" high4 gallons600 g-->Please click on "More Information" for set up instructions.Please note: If you wish to ship #25829 by express service, additional shipping charges will apply during checkout.

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.