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Opened the cab this morning a few hours after lights out and found the humidity was at 99%! The air in the cab was very thick. I will now keep an exaust fan on 24/7 to keep the humidity lower.

Humidity is about 45%, though when I look at the min/max temps max shows temp 85F and humidity 99%. Low temp of 65F. I don't foilier feed becuase I smoke the leaves and don't know if it's ok to smoke leaves spraid with chems. I am using LST and supercroping to get more distance between the...

The yellow and brown spots stoped after I stoped adding GH Gro. They yellowing at the tops of the plant has gotten worse. I am wondering if it is heat dmg, light burn, or a nute deficiency. I've moved the light up as far as I can and recently put a better fan in facing the top of the lights...

Allow me to clarify a small bit. I use GH nutes. Generally I add 1 part GH micro and 2 parts GH Bloom. My plants were/are yellowing badly on top leaves. This is very likely due to heat, but to try and remedy the situation I added more nutes (I am a noob)... What I added to compensate was GH Gro...

I seem to notice my plants getting yello/brown spots when I add to much P.

Are the PPM to low? Should I use Lucas and bring the PPM to 800 or more? Tap water is <100ppm and current ppm of the system is ~600. Went in to flowering 3 weeks ago. I am concerned about using the Bloom. As I said in my first post, the yellowing, brown spots, and holes appear worse when I add...

Thanks for taking a look. Had some PH problems early on but bought a new meter. I like to keep the PH 6.2 and let it fall to 5.6 or 5.7. Tried using Lucas Formula but my plant started getting brown spots in random areas and a hole developed in some of those areas. The big fan leaves are...

If I flower early will my plants stretch more? I should just drop some beans in rockwool and get it started, see where it will take me. With one complete bubble bucket on hand I should use it. This will be my first hydro grow. Bubble buckets sounded pretty easy. Still researching the best way to...

Can plant height be controlled somewhat by the potter size? If the plant doesn't grow as big, will the life cycle still need to be as long? Point in case, 5 gallon DWC setup vs. ~2 quart soil potters. The grow space can accommodate 2 or 3 5 gallon buckets, or it can hold 12 small soil potters...