Flipper Edge Max 2 in 1 Floating Magnetic Aquarium Algae Cleaner Dragonets GFO is most commonly used

GFO is most commonly used in a media reactor like the BRS reactor or media bag

there are tiny amounts of essential trace elements such as iodine

or put one on your PM2/PM3 module for temperature compensated readings

Give Yourself The Edge - The Most Advanced Handheld Aquarium Cleaner Ever Made

Selecting the right HMS Multi Light Track - Add 1

Flipper Edge Max 2 in 1 Floating Magnetic Aquarium Algae Cleaner Dragonets GFO is most commonly usedGive Yourself The Edge The Most Advanced Handheld Aquarium Cleaner Ever Made! FLOAT. FL! P. SCRUB. & SCRAPE. Now with TWICE the cleaning power! FL! PPER Aquarium Products' patented 2 in 1 magnetic aquarium cleaner, now with dual blades, FL! PS from Scrubber to Scraper simply by rotating its handle. Complete aquarium cleaning without ever getting your hands wet! A "must have" cleaning tool for advanced aquarium hobbyists and maintenance professionals!