Remove the filter, use roughly 1/4 of the bottle to 1000 litres of water, leave in circulation mode then mix it in back into suspension every 4 to 6 hours by activating high-speed jets until the leak has stopped. Most successful repairs are usually evident between 24 and 48 hrs.

This product is useful in a situation where a tub is fully foamed in or a pre-built wooden hot tub for example.