Kalkwasser Additives

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

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...

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

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