VERTONEX RB220 and is also called GSP

and is also called GSP (Green Star Polyp)

Dosage rate: We recommend starting off dosing 1 drop/day for each 100L of tank water and if results are good  increase steadily to 2 drops/day over a period of a month or so depending on your tank coral density and you must have very low nutrient levels

Carbon filter foam make replacement much simpler than using common granular carbon

Directions for use:

An excess of heavy metals in the water is toxic to aquatic life

VERTONEX RB220 and is also called GSPAquasonic Vertonex 250ml Reef Safe White Spot Treatment Product Overview Aquasonic Vertonex 250ml is a reef safe treatment developed to combat white spot (Cryptocaryon irritans) in marine aquariums. Unlike most treatments, Vertonex can be safely used even when corals and invertebrates are present, making it ideal for reef tank owners. Corals may withdraw temporarily, and some sensitive species like Centropyge angels and bivalves should be treated with