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Hi, I read that 3'x3' (9 sq ft) is the ideal size for a 400W HPS bulb (~45-50W/sqft). However a 400W HPS bulb has around 60.000 lumens whereas a...
Hi, could you please post a link to cannabis nutrient profiles or pictures if you know any. For now I only know about three nutrient profiles...
Hi, I am using AN 3-part ph perfect fertilizer with R/O water and my plants developed a Magnesium and what it seems to be a Sulfur deficiency...
I cut one of my nozzles open now and measured the orifice and it was exactly 2mm. Hence I figured that I made a mistake by converting the .075"...
Hi, my aero system is top feed and the nozzles are pointing down and are spraying the water downwards. My roots are nearly touching the bottom...
Hi, I was wondering what kind of filters you are using to prevent your nozzles/sprayers from clogging. If I am not mistaken all the large...
Hi, I am using RO water and I didn't used calmag or something similar for my plants. Hence my plants developed deficiencies. As calmag is not...
Hi, my plants have some Nitrogen deficiencies and I bought a bottle of Canna Mono Nitrogen. The bottle states: Contains 27% N. (Contains:...
Hi, right now the winter air is very dry here. Around 20% outside of my growroom and 35% inside of my grow room. How do you guys increase the...
Thanks for all the support so far! Before moving my plants (were just in rockwool cubes previously) to the aero system I watered them by hand...
Hi, my plants have plenty of yellow leafes. What kind of deficiency do they seem to have? I checked abuse charts and it looks either like a...
Hello, I am about to finish my aero system and I would like to know if the PVC piping size looks OK before I glue everything together. I have 39...
Hello, I intend to use 38 nutriculture 160l/h (brown) sprayers for my diy aeroponic system. Now I am wondering how many l/h the pump should be...
Hello, my tapwater has a high EC of 0.8 and a PH of 8.0. I am wondering if I should take this baseline / backround EC into account in...
Hello, I have around 40 seedlings (Indica dominant strain) in 4" rockwool cubes right now and I would like to find one or more good mothers out...
Update: I transplanted all of my seedlings seven days ago in larger 4x4" rockwool cubes. Before that I used H2O2 (3ml 35% per gallon) to treat...
Thanks for all the feedback and your support so far. Update: I now checked the PH and the EC of my tap water after I just received my EC & PH...
Thanks for your help. In the post you stated they suggest to remove affected parts but as it is my stem I can't do that. How do you...
Hi, my plants are around six weeks old after they germinated from seed and are now in 1.5" rockwool cubes under a 55W 9000Lumen PL-L. Humidity...
Hi, 40% of my seedlings (main strain) started to have some small yellow spots on their leaves which are turning brownish. Only two of the...