Yep and that’s a hid, the hps is the bulb type. Yeah you water until it drains out about 20 to 25 percent of the amount you put in then test the water in the drain pan to know your chemical ratios for your feedings and your ph.
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you guys have been so helpful i thank you all for your assistance in this matter i will upload pics to let you know the out come
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I water everyday with coco and I notice some plants drink enough to need a second daily water.
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A litre every two days isn’t enough. I would increase your watering schedule. I’m in soil and water to runoff at least twice a week. I then watch to see how quickly that runoff is drawn back up, gives me an idea of how dry my medium actually is. I also sample my runoff to see what my pH and EC levels are like.
HiD is high intensity discharge and covers your metal halide (mh) and high pressure sodium (hps) bulbs 
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right so i have been this morning and they do look a touch better and the the medium is drying out but the lights were due to go out so i will water to run off this evening. i have just installed a big 10" acoustic fan to extract smell through a 4 foot 10" carbon filter strait out a chimney and i believe even though i have a device to lower the power i think its moving to much air at this stage becuase the humidity level was down to 39%. but saying that the plants looked a touch better so with all that said i would think the plants are adapting. i have to make this work guys as ive put too much money in to throw in the towel. you guys sleep well. i didnt take pics as phone died.
also you guys if any of you can give me a feeding chart of what i should be giving the girls. that would be helpfull
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Go to the website of your nutrient line, and see if they have a schedule, or you can search it on google or bing! You have been here a year man , Happy Cannaversary! 
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right so i have done what was suggested and they took a lot off water to get them soaked
i watered them with a cf of 6 and a ph of 6.2 and the run off was 6.4 to 6.7 i didnt test the cf which was silly but there you go. i have all 28 plants under 4 lights at the minut but have another 12 on stand by.
the canna site is very useful
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So, how did they look after you watered them. Were you surprised at the volume they took to rehydrate and how do they look now. Runoff numbers are looking better as well
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i was surprised yes and here are the pics I’m a lot happier now
i had to use different phone sorry if there not great
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does the run off seem to be ok do you think
Lighting isn’t great but for runoff I always go for a little water showing in the saucer then leave it for a few days and let it dry out a bit. Be careful of your pH as I grow in soil, I’m sure that the pH of other mediums is different.
tell me more about my lighting
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I meant for taking pictures. Natural light is always best if you’re posting pictures .
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update …so when i was there last night i did ph run off but forgot to do cf so this morning i checked cf off the run off last night and wow it was 28 which was crazy as i feed them a cf of 6 at the minute. anyway i panicked as i thought root block and root burn as i here super lemon haze are susceptible, so i flushed all 28 as quick as possible even though it took me 3 hours.
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Ec of 28 is high. I think your pH is near enough for coco. I would go for water only until those ec levels start behaving themselves. Monitor your pH constantly just now though as it will swing
right so i did a full flush to rid all nutes and tonight they look pretty good again so im really happy
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so i was feeding 300ppm and the run off was 1400ppm
If my runoff is high I don’t feed. I let her consume what’s in the soil and my PPM starts to drop. That way I know that she’s using what’s in the soil. When the PPM is down to around 500-600 I start to feed again and depending on what stage they’re at I lift the PPM to suit
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