Pool water level is dropping when filter is operating, no visible leaks

Jason requested 3 quotes from Pool Professionals, Spa Professionals in Langwarrin

Pool water level is dropping when filter is operating, no visible leaks, some water escaping down backwash pipe but not constantly

New pool liner for oval above ground pool
Our property needs a new pool liner and possibly new tops

Outdoor above ground spa needs repair to pump.
outdoor above ground spa repairs pump not working

Spa needing new pipes, heater etc
Spa needing a new heater, pipes etc

Need a manifold replaced on pool solar heating
I have a broken manifold on the solar heating system attached to my pool