I am about 5 weeks into the flower cycle of Girl Scout Cookies and Cactus Cooler and plan to harvest in approximately 2 weeks. I’ve been adding Fox Farm Big Bloom, Fox Farm Grow Big, Fox Farm Tiger Bloom and General Hydroponics CaliMagic to each watering about every 3 days. PH has been adjusted to 6.4 and soil is good at 6.8. Using LED Spider Farmer G5000 light at 90% dimmer setting. The brown spots started on the Cactus Cooler but the leaves on the bud are worrying me. Is this simply a case of too much nutrients? Ant help appreciated
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Yes too many different nutrients. You will loose all those damaged leaves. Classic case of over feeding.Smoke Ganja create Peace Respect Nature don't trash the Planet
Soil grower with coco/perlite mixed in
indoor/outdoor grower
1 36"x36"x66" tent- Viparspectra P2500
I use a t-5 & 54watt CFL for seedlings
Sometimes i use plastic sometimes i use fabric grow containers
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Agree with budgal on this one. When I used their trio I used it at half strength and every other watering in soil. So I basically fed them once a week with just water in-between. Plus in flower your supposed to skip the Grow Big every other week. Still had a small amount of nute burn.Last edited by Bowhunterwoody; 08-02-2026, 11:40 AM.Comment
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Agree with Budgal and Bowhunter. May I offer a simple nute trick I use?
I use half strength GH Trio in 50/50 coco/ perlite, pH'd to 6.0 - 6.1. I VERY carefully monitor the leaf tips for the browning indicating nute burn. When, if, I see this on one of my 10 - 12 plants, I immediately use only water for a couple of days then restart nutes at an even lower dose. Have never had a problem like your pictures.Comment
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I am not loving the outcome. Is this what to expect of you get nutrient burn or could this possibly be bud rot? I reduced the feeding down to pH 6.4 for three feeding then went to half dose of nutrients and now the buds look like they are dying. My guess?Comment
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I am not loving the outcome. Is this what to expect of you get nutrient burn or could this possibly be bud rot? I reduced the feeding down to pH 6.4 for three feeding then went to half dose of nutrients and now the buds look like they are dying. My guess?Comment
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When you water to runoff, what is the PH running for the affected plant?Growing Autos and Photos, Gorilla Grow tents, AC Infinity fans, exhaust, filter, humidifier, and controller, HLG Lamps, 50/50 Coco/Perlite, Autopot system, BlueLab PH Controller, CX Horticulture nutrientsComment
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6.3 ph coming out of the runoffComment
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That number is certainly in range. I was thinking root zone PH might be causing an N lockout.
You mentioned bud rot. Have you checked that? If you find any at all remove the entire plant from the grow area ASAP. I tried to save the unaffected parts of a plant suffering from bud rot and ended up contaminating the entire harvest. Not worth the risk.
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