Effervescent swimming pool tablets, instant-dissolving effervescent chlorine tablets, chlorine tablets for cleaning swimming pools and water treatment tablets -- 50g

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!