Multi-functional swimming pool cleaning tablets, removes algae, purifies water, dissolves quickly, suitable for home use, swimming pools, hot springs, and spas -- 100g

At the start of the season or during regular pool maintenance, choosing the right product for your needs can be tricky. What can we find out from water analysis? Do I need to add a pH regulator? Chlorine? Bromine? Clarifier?... We'll 'clarify' it all for you!