reading

Happy Easter to everyone!! I am new to metering my water & have a question on ppm. The water out of my tap is 456. I have been giving my girls GH nutes & when I was flushing for the first time the reading was 190 or so. I dont understand.... can someone let me know whats going on....thanks guys....

I had a large grow room over 20 years ago. 12 X 1000w HPS (flower) and 1 X 1000w MH (Veg, clones, mothers) I used a flood and drain system, with each 1000wHPS table holding about 40 mesh cups. Since then I've been reading a lot and watching UTube videos, and I can see I have a lot of new...

Hello all, Welcome to my first-ever attempt to grow marijuana. I chose the widow (fem) from Gorilla Seed Bank for this special occasion. My seeds arrived Monday 3/14/16 and two of them quickly went into a glass of spring water. This morning 3/16/16 I noticed both seed shells cracked open and...

ncountered a problem. After shaking the bottle vigorously and then extracting 7 mL of nutrients with a hydroponic nutrient syringe, injecting it into pH water, I am only getting a reading of 185-200 when I have typically been getting a reading somewhere in the 700s. At first I thought it was...

Hello. I am new to growing and have been advised to grow organically. I will be reading all I can. Thank you.