Jolly Gel was the first gel clarifier on the UK market and continues to be the market leader.
Gel clarifiers are dropped into the strainer basket of your pump where they slowy disolve.
It then forms a clear membrane screen across the media of your filter to a depth of up to 6 inches
Jolly Gel surrounds fine particles with a glutinous formula so they gather together and stay in the filter media until you back wash them away.
Continues to work for up to 21 days
Removes algae spores.
Jolly Gel comes in packs of 4 x 67g cubes and each cube will clarify 60m3 (13,000 gallons) for up to 21 days