Yeah I'll get straight on that when its out nextWell worth having a go at that then as part of your process of elimination.
Ah that'll be good. Although the flow in the tank is good as it is. If not......too good. Its funny watching some of the little fish trying to swim against the flowYou'll probably find a marked improvement in the flow once the impellor is cleaned too. It's surprising how much rubbish coats the impellor over time