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I've forced flowered outdoors early in the season. Not sure how big your plants are, but I made a 4ftx4ftx5ft rectangular tent using black and white plastic (panda sheeting). Approximately 12hrs after sunrise I would put the plant in the tent and take in out later at night a couple hours later...

I'm starting to think it may actually be a Magnesium deficiency. The tips of upper leaves now have a grey/whitish look about them. Also the burning on the lower leaf tips curls upwards. Any chance this could be the case ? Btw the plants are outside now so they are not exposed to the very high...

My tap pH is around 8 using a color-metric indicator. I was using around 3.5mL lemon juice concentrate + nutes to 2L solution to make it around pH 6. I have bought a commercial pH down (phosphoric acid) and will start using that instead. The medium is coco mixed with coarse perlite soil-less...

I have perlite instead :)

Don't think it's a heat issue IMO as the problems was occurring when i was using fluro's and the temps were mild. It's currently only 30c in the grow room. Outside temps get really hot here so the room can get up to 35c but it's not always that high. I can lift the lamp about half a foot or...

I need some help with my sick plants :( They are around 4-6 weeks old grown from seed. I've had trouble since adding the nutrients after around 2 weeks. Growth is very slow. Older leaves show yellowing beginning at the ends and progressing to burning of the leaf tips. There is also some...

Hi, I'm having some troubles with pH so I bought a Flairform pH test kit. It's the kind where you add your liquid sample into a plastic vial, then add a drop of pH test solution and calculate pH based on the color of the solution. When I test the pH of tap water it's between pH 7 to 8 (closer to...

Unfortunately I have only one plant in the set-up so I can't really compare it to any others. The plant was vegged outdoors and the leaves only started to get a lot larger when it was put indoors to flower (not sure what this means). As for humidity it gets as high as 70% sometimes and as low as...

Did some pH testing seems OK around 6.5. Now noticing some purplish coloring on some of the leaf stems. Also there are some blotches of moisture that appear on leaves even though i don't water from above. Starting to think I have some sort of fungus like Gray Mold (Botrytis) :(. Any one have any...

Decided I'm gonna try half strength nutrient solution for next few days. Come on guys any ideas what the problem is ? Any input would be greatly appreciated !!!

Thanks 4 the reply. No I haven't ever had this problem before or any other problems apart from pests that's why I never bothered to test for pH. I'm a bit of a habitual over-water-er though so maybe that's part of the cause. No foliar sprays are used. Last day was given a mild nutrient solution...

Hi Chaps, having some trouble with my grow. The tips of the larger fan leaves have started to turn a paler color (green/yellow) towards the edges of the leaf blades (away from the veins). The plant has just been put into bloom for about 8 days and appears on the more recent growth but is only...