[Temple cleaning services]

ive just changed my 40-40 ro membrane and resin at £270, innitially the reading went to 000 for about a week, but its gone back upto 010, and to be honest im baffled? any ideas?

[dave f]

may sound daft have tried different battrey in your tds metor or flush out the membrains for half hour just a  ???thought

[Lee GLS]

I'm not sure, but you might need to flush for longer than half an hour, have you flushed it at all?