Clearwater CH0006 Algaecide Algae Remover for Swimming Pool and Spa Hot Tub Water Treatment, BISHTA Approved, Highly Effective Formula, 1 Litre

Brilliant item works very well and last us the whole summer

My hot tub water was going a bit green but after adding this product within 12hrs it was nice and clear, very happy as we have had a hose pipe ban so couldn't change the water. Very pleased.

Does the job...eventually. Had green algae just beginning to take hold in the Intex pipes after a month. Chlorine and PH were all as they should be and after a big chlorine shock that didn't work, I added 20 times the normal anti algae solution and kept the pump on for a week. Slowly started to kill and get rid of traces of the green algae.

Follow the instructions and it works perfectly. If your algae is heavy or well established simply use a second full dose. Keep your filter running and change/ clean the filter regularly and it will get rid of all but the worse buil ups. My pool had stood all winter and was a bit of a swamp. A water top up, plenty of chlorine and two doses of this sorted it put no issue.

Good quality