Quote Originally Posted by bluntman2006
I been getting sign of high ph so,i checked the run off with a ph test kit and the reading was at 7. so i bought a couple gallons of ro water and checked the ph and it reads around fivish 6.00,could this be right?So i watered it again and then checked the run off and it reads 6.5 with the ph test kit oh,the soil I use is fox farm ocean forest.Anyone familiar r/o water and ffof soil
I think you have to average the result of the runoff test with the ph of the water you use before watering to get an accurate picture. I use the same soil, and its got growth nutrients in it already, so if you add nutes it's pretty easy to over-fertilize.