Thanks and yes I'm using rockwool as the primary growing medium. So far I haven't had any proplems, excecpt for the PH in balance. I also forgot to mention that I am also adding in the Cal-Mag. This far into flowering will 750ppm be enough. That's at 50% strength but the number feels really low.
hbbusa28 Reviewed by hbbusa28 on . Questions on Nutrient Strength and PH stability Hey people. So I'm 5 weeks into flowering. The buds are coming in nicely but I'm having trouble keeeping the PH balanced in the rockwool. About every 3 hours or so the PH drops significantly and I have to continually increase it all day long. The top of my plants are starting to look burned? on the tips. I'm sure it could very easily be the PH but it also leads me to a nutrient question. Everywhere I read it says to use somewhere between 30% and 50% strength. However, I'm also Rating: 5