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whats your temps at?

Drivers would be mounted on heatsinks

would an exhaust fan be enough to cool 4 hlg 600h light fixtures in a 10 x 10 grow tent?

Ph is within range between 6.0-6.2. I’ve taken a lux measurement and it reads around 35-40000 lux at canopy

Thanks man Ill look into buying some dimmers for them Im also gonna try maybe giving them between 1.5-1.8 grams of epsom and see if that helps.

Is urs the new rspec spectrum with red diodes?

I didn’t get them with dimmers but they are about 4 feet above the tops. 3500k I just adjusted my temps the other day to around mid 80s to see if that would help. When I talked to support guy at jacks he said it seemed more like a phosphorus def than a mag

whats a safe rate to bump it up to. I was giving them just a straight 3 grams of part a 2 grams of part b and 1 gram of epsom salt then I bumped up to 3.6 2.4 1.2

I recently switched from 600 watt mh to the hlg 600h rspec fixtures and have been having problems with the plants. Nothing has changed other than the light swap I’ve been feeding jacks 321 formula. The plants look sick and have purple stalks/ leaf veins. They are in cyco coco seamix/wormix which...

Ive been using 3 10 inch ipower carbon filters and im beginning to think that they are not doing the job as good as I need. I was wondering has anyone tried both these kinds and notice a difference between they two to warrant the price difference? the can filter weighs around 125 lbs the power...

so yes to itll be fine or yes to it'll cause a problem lol

Can I wire in a 30 amp dryer plug cord to a 8 light controller rated for 50 amps if I only run 6 lights at 2.5 amps each so 15 amps total at 240v? or would there be a problem? it would be on a 30 amp breaker

I have a plant being grown under a hlg 600h r spec in a similar grow medium promix/growilla veg mix and they are doing good in the low 80s? does ur mixture have any dolomite lime in it?

do you use traditional de reflector or air cooled?

I have a few hlg 600h fixtures and they are pretty good but I don't think they will outyield a double ended hps but I don't know cause I haven't tried one yet I might get one and put it in the corner and see how it does

Would I be ok running a 1000 watt de hps in a ac/de air cooled reflector with 7 foot ceilings? How much hotter do double ended run compared to single ended air cooled? if not how would a 750 watt de compare to a single ended 1000 watt hps?

yea they are in pure cyco coco I usually water them ever 3 or 4 days when dry I've been doing 3 grams jacks 2 grams cal nit 1 gram epsom

Maybe ph is outta wack but shouldn’t be

its not the stems its the stalks ill get some pics in a lil bit

I ordered some new led lights from meijiu Shenzhen led light company basically they are hlg 550 v2 spec 3000k knock off. They were being vegged under 1000 watt mh 6500 k spectrum. They are being fed jacks 321 in coco coir 3 gal pots temps are right around 77-81. Not sure if plants are just...