Hi All, hope all is well, finally got round to setting up my pool in the garden and setting up my pump, a question the pressure is around 5 on green but seems to be running slow? ive done back washing etc, and it seems to run faster on recirculate ive looked at the sound levle all ok, and checked the pipes for any air locks, any ideas, also i want o fit a Nano heater to it any ideas how to attach the pipe work to it. answers on a postcard please.