Hydra Fountain Clear Water Feature Cleaner | 60ml Treats 1,800L Highest Dilution Rates - Water Feature Treatment Keeps Water Crystal Clear from Algae, Cleans Water & Biofilm Build-up

It works well and keeps water clear. Remember to remove all or most of the water first and clean the old alge prior to using product. This product is not a magical potion that will erase built up green gunk, you'll need to do your bit and clean the old alge first.

Works very well. Water now crystal clear

A very small bottle but goes a long, long way. It may seem expensive but you only need a ml to start off with

Does a good job

Cleaned in 10 minutes. Fountain water running clean. Easy application.

Very quick delivery, but small bottle unable to get syringe into neck of bottle to measure quantity to add to water.

It works it's kept water feature water very clean even in the hot weather we had

Very tiny bottle I knew it would be small only 60ml but seems a lot smaller than I thought. Seems to work at keeping the water clean.