ESV B-Ionic Calcium Buffer System - 2 Gallon Powerheads & Gyres Fully submersible design can be

Fully submersible design can be placed vertically or horizontally

or reef rockwork

Large Format Magnesium Dosing Benefits

Dispose of used blades safely and keep replacement blades stored securely

Thin Bio-Film Technology promotes efficient bacterial colonization

ESV B-Ionic Calcium Buffer System - 2 Gallon Powerheads & Gyres Fully submersible design can beESV B Ionic Calcium Buffer System 2 Gallon ESV B Ionic Calcium Buffer System 2 Gallon is a concentrated two part calcium and alkalinity refill system for reef aquariums with regular supplementation needs. After dilution with RO DI or distilled water, it provides a larger prepared supply of B Ionic for ongoing reef dosing. ESV B Ionic 2 Gallon Concentrate for Regular Reef Dosing The 2 Gallon size is a practical step up for aquarists who already use B