Well I did change the water in my reservoir sun. They hadnt had nutes over a week cuz of what I thought was Nute burn.i just put some today. But I only used 1/8 of a cup. Maybe a lil lessLooks like you have some light leaking into the rez, and looks a little nute burnt but I couldn't say which one. What strength are you running the nutes at?
Also check the stickies in this forum, lots of good info
Buddy,
Oh has been fluctuating like crazy but everyday I use ph up or down to correct ph.Is PH in range? 5.5 is a good target but fluctuation is fine. Out of range and you get lockout on some nutes, or so i have read since im on my first grow lol. Do a Google search for "nutrient deficiency marujuana" and a bunch of useful pictures come up to compare with
It has a bubbler. I guess the resovoir about a quart size. 150 wat led light. It has an air stone. They sent me a powder nutrientsWhat's the set up?
System, water temp, res size?
How does the water get oxygenated?
What are they been fed?
Root issue for starters; they should be bright white, not brown. I would check your reservoir temperatures, confirm your pH is stable through out the life of the nutrients from reservoir change to reservoir change and I'd disinfect your equipment as well as mix up a new reservoir's worth of solution. Bright white roots are your friends, coupled with a reset of your system and you'll be in good shape.