Cool, that is good to know as well - That the extra Co2 will help in warmer conditions! Cheers

I guessing you have a water heater in your reservoir? If not, this would greatly help...

Ahh, I remember the other query - You mentioned salt build-up, I'm aware of this and have yet to get back to researching it, so may I just ask you? - grin

When are you (Not you personally - hehe) at risk (In Average environments) of salt build-up, before you MUST flush and cause root damage etc?

I flush my 20ltr system every 5-8 days atm, just guessing with limited knowledge. I am waiting for my TDS meter to arrive, from your part of the world so I can get a good indication regarding nutrient levels in the reservoir etc...

Hmm, enjoying this little bout of correspondence stinkyattic - thanks mate... appreciate the info etc!

Keep it coming if you want, will check back in 10 - guess where I'm going - ROFL..............