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I'm little confuse of those. I heard people say ppm should be at desire range. Let say week 1 at max 400 ppm. Does it mean my nutrient solution always at that range for whole week or every time a water that ppm range. I grow in soil and water plant 2/week. 2×400=800 ppm/week.Thank you

I research this question and see few difference opinions. Some said 30-35C is best for 1200-1500 enrichment with 1000hps light, others said do not let temp goes over 30. Need some expert advise, thank you so much !

Yellow and Lime green first, after 2 weeks leaves start to burn..happen last few crops,don't know how to fix .please help

After a month, all plant in garden have same problem.. Leaves start to dry out and die. Yeild lost 90%. Try to do alot of thing, avoid overwater, Ph, humidity,bugs... And get same result. Don't know is it defiency and why. Please help

I just add 2 tbs/ G of lime to Ph promix soil. How i water the plant after this. Do i need to check Ph every water, and can i feed with nutrient or just water? Thank you

Happens to all plants in few crops. Leavez will totally burn after 3 weeks flowering. Any one know what is it. This pics is 30 days veg. Ph test at 6.5 with promix hp. Feed every 2 days with 2 litres after transplant. Same nutrinet of GH for years, just got this problem last 5 months.. Keep...

Very slow grow from vegie, leaves not as green as normal. Untill mid flower, leaves start to burn and get out of hand at week 4... Bud stop and all leaves burn out... I have this problem last 6 months, every single crop... Any idea can help ..

After 3weeks flowering, all fan leaves turn like this and plant stop develop. Yeild drop like nothing.. Any one know why the leaves turn like this...

There are alot of white tiny bugs in soil... All plant leaves burnt...

Don't know what it is.. Any help please

Leaves got some tiny spots, don't know what exactly is

All good untill week 4 of flowering and get problem.. This happens last 3 grows.leaves srtat to burn and bud stop.. I check there is lots of thrips in the soil. This is not nute defiency, beacuse i've used same nutr for many years. Please help !!! Is it thrips damage or other disease.. ?

Any can find out what problem is it.i tried to look defiency but cannot know what exactly it is.thank all you guys

Anyone can fix this out.i have tried 2 havest with many type of incesticde but still problem. This is 7th week of flowring,bud are very small like last harvest.. Bud stop grow at week 4

Never had this problem before, all running good till week 4 flowering. Leaves start ti yellowing and crispy, flower not develop anymore...plant is dead... New grow with same problem after the last time... Soil Light: 1000 watts HPS Temps: light on 80-82, light off 72-74 25% RH Water/Nutes...