12V to 220V Pure Sine Wave Inverter 300W, LED Display, 2 EU Sockets and 1 USB Port, Overload and Short Circuit Protection

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!