Rechargeable magnetic LED lamp, smart sensor, 3 color modes, automatic on/off, no drilling required (black, 40 cm)

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!