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She's a WW in DWC, all environmental conditions are fine, but has what looks like to me a calcium def. Just thought I'd get a 2nd opinion. Res is 5.8ph, 50l made up of 40l RO water 10l tap (our tap water has ec of 0.4, thought that would give me enough calcium/mag and other crap). I'm using...

Hi All, My clones are about 2 weeks into rooting, and are displaying a few weird deficiency problems. The setup: I have 2 trays fed with sprayers (aqua-phonics?) and a separate res. I've a high pressure pump that sprays the roots from a separate res. temp atm. (17 deg, best I can get it atm...

Hi All, I've a few plants in flower, week 2-3, there in soil and fed with biobizz. 3 of the 7 plants are starting to get some problems, pics below. I have then under 2 * 300w led's, and am wondering if this is too much light? Temps are mid 60's with lights off and mid 70's on. I feed with...

Hey all, Is anybody using full strength nutes as directed on these nutrient calculators all the nut. companies have on their websites? If I use anything like what they recomend, it burns the arse out of my plants, just wondering if anyone else has this problem?

Heya all, Anybody grow from clone to harvest in aerophonics? (or aeromisters) and use the lucas method/ratio/formula or any fert schedule for that matter. If you do what ppm's do you run at, for the different stages/sizes? Is that with r/o or tap water? (if tap, what's the start ppm of the tap...

Hi All, I just added h202 to my dwc bucket (12l solution), added 5ml and within 10 minutes the plant started to wilt, anybody else seen this happen? A quick spray with plain r/o water perked it back up, but just weird, never seen it happen before, thought I'd killed her. Anybody got any...

I added the h202 (17.5% strength hydro oxy plus), followed the directions on the bottle it says 5ml per 10 litres, my dwc buckets run at 12 litres each so I added 5ml to each, checked the plants 20 mins later and most have wilted.....Is this normal? Will they recover?

Hi all, Any tips and advice, is it a light/heavy feeder etc?

Hiya all, Just a hypothetical question. Would you use the same nute level ie ppm/ec when you move your plants from 1 cloner to their individual pots. OK lets assume we have a hydro system running dwc or something similar. If I have 20 plants in an aero cloner and I am running nutes at...

Hi All, Someone please help me, I've grown in dwc before with no problems albeit many years ago. My current grow is Matanuska tundra, these are about 4 weeks into veg and have started in the last day or so to die off (see pics) I've hunted around the forums to find the problm but am...

hi all, hope you peeps can help, I know it's a deficiency of some sort, but not sure if iron,mag,calc etc. I'm using ionic bloom fert with ionic boost. room temps are (dark) 16deg (lights on) 21deg humid between 50 and 70. ph at 5.7 ec at 2.0 plants are 2 weeks into flower. using dwc...