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Slurry testing. I have three plants. 1 really happy girl and two that are showing what would appear to be slightly over watered, which they’re not. So I test PH and soil content. The water I’m using is neutral (7 ph) without adding anything. The water itself has 280 ppm.
So I added equal parts neutral water and dirt from at least an inch below surface, 1” deeper if pots are large. As you can see the two unhappy plants read in the mid 400’s. Now minus 280 and the ppm content is way too low. I like to be around 500. The happy plant has close
To 500 ppm after we subtract the 280 which means it could use a little more, but it’s good. PH all came out at 6.8 which is as high as I’ll let it drift but expected when it eats all the salts out of the dirt. These new girls are heavy eaters. Now I know before I get flowering.
Because that’s where it actually hurts. I also use a ppm control test with my tap water that has only 34 ppm. As you can see, they hungry 
. This is usually a sign of fat buds to come. Always test, never guess. You can get lucky a lot, but with knowledge you won’t fail
. This is usually a sign of fat buds to come. Always test, never guess. You can get lucky a lot, but with knowledge you won’t fail
