Search results

Ok so I just calibrated my new milwaukee ph pen meter with 4.01 and 7.01 sloution as directed and then tested my RO'd water and the results were 3.0..with my ph drops from general hydroponics - tested same water..and results were 6.5...what could be the problem here?

excuse me if this has been discussed previously but I am currently setting up my new grow and have decided, like alot of other ppl, to use Northern Farmers stadium grow concept...(those who aren't familiar please don't chime in) question is, would there be a benefit in the total harvest amount...