ESV B-Ionic Calcium Buffer System - 2 Gallon Powerheads & Gyres It is not designed for

It is not designed for HP-100LL or HP-120LL Long Life models

and close-control cleaning

Flipper Cleaner Max Float is a larger floating 2-in-1 magnetic aquarium algae cleaner for glass and acrylic aquariums up to 3/4" or 19mm thick

Dispose of used blades safely and keep replacement blades stored securely

Fully submersible design can be placed vertically or horizontally

ESV B-Ionic Calcium Buffer System - 2 Gallon Powerheads & Gyres It is not designed forESV 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