Rick wrote:
Sorry, this subject really anoyes me, saving a 100 quid a year so your
system leaks solids into the waterout flow, so your kids can fall into
your reed bed, when looking at the frogs .......

If frogs live in it the outflow can't be that bad. It's only ****e after
all, not napalm.

Whats your address, let me report your system to the EA ........

OP's in Scotland, EA have no remit here.

Owain