• John828

Chelsea

A potential controller will also be needed.

Laura4892

Of course, but it can be done without the OVP controller.

Timothy

This is if there is experience. Among us, probably only uses an ozonator.

Catherine6534

And sometimes I indulge in an ozone generator. !Off-topic You urgently need to install an ozone generator and an ORP controller, preferably with remote control and mobile notifications about the redox potential in the aquarium.