Kalkwasser Additives

Kalkwasser is the proven standard for maintaining calcium concentration and alkalinity in closed reef aquaria. The calcium provided is directly use...

Two Little Fishies Kalkwasser – 4 lbs Calcium Supplement Mix. Our pure source of Calcium Hydroxide makes the ideal solution for replenishing calciu...

Ultra-pure Kalkwasser for Reef Tanks!BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contain...

Ultra-pure Kalkwasser for Reef Tanks!BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contain...

GENTLY MIXES YOUR CALCIUM HYDROXIDE   Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effectively, s...

Gently mixes your calcium hydroxide   Reef Octopus Kalk Stirrer (Nilsen Reactor) carries a high torque low RPM motor that effective...

Ideal for significant alkalinity adjustments or daily dosing in reef tanks with high pH. Ultra-Pure Sodium Bicarbonate for Precision 2-Part Dosing ...