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Hey guys, yesterday I picked up one of these hydrofarm digital light meters: I have a vertical room with 8 1000w lights and have been having a whole bunch of trouble getting the light distance/ number of lights on for new clones right. In an attempt to do so i purchased the above light...

Right now I have a bunch of plants 22 days or so in flower outdoors where they get light from about 6AM-8PM during the day (sunrise to sunset). I just finished setting up an indoor room and want to finish flowering them indoors. Only problem is my AC works best at night cooling 8KW and I...

I've been using quantum growth light, a beneficial bacteria supplement, in my res lately at 1ml/gallon just because there are no listed application rates for hydro so I wanted to be conservative, what application rate would anyone using this product recommend? The system is a 200gal total RDWC...

sm-90 is the way to go, I added it at 3mL per gallon and immediately noticed a significant improvement in root color and water health, its a mixture of coriander and canola oil with a small percentage of triethanolamine, a tetiary amine. That root excelulator garbage which I will never use again...

The easiest way to correct soil pH is to pre-pH any water and nutrients to the desired value before adding it to the container, the soil pH will slowly equilibriate towards the value you want. You might have had lockout from low pH and your soil might not be deficient, i'd be wary about adding...

I am near the end of flower as well, picked up this stuff called mildew cure, seems to work pretty well, its a mixture of garlic oil and couple of other oils can be used all the way up to harvest. As far as the mites go you already have buds so you're right wary about using stuff like azamax or...

I'm using lucas formula (0-8-16), cal-mag, sm-90 and the fox farm soluble line, open sesame, beastie bloomz and cha ching. Seems to work quite well so far, no deficiencies or problems. I'd say i'm changing out the res once every 2 to 3 weeks, and only when my volume added back is over 100gals in...

I dont vent my CO2, but you definitely get some air exchange every time you enter and the leave the room and the sentinal shows a clear CO2 drop when that happens and raises the CO2 back up to correct levels. The ppm ratio of oxygen to CO2 in air is something like 160000ppm to 1500ppm. So you...

Yea i posted above a little earlier, but yea they are beasting now I basically just flushed, 2 lights wait 4 days, 4 lights wait 2 days and now up to 6 and they are doing great as far as I can tell. One more week and i'm hoping to flip to 12/12. I added algen extract at 1/4 strength and multi...

mine are coming back to life, looks like they are making a nice recovery and I am getting good root growth. What I did was cut the lights back to 2 out of 8 for a few days then lights were increased to 4 which is where they are now. Glad I didnt toss them, Basically also flushed my res went...

good call, yea I have root accelerator at the recommended application rate on the bottle. I've been reading elsewhere that there could be some problems with that additive in highly aerated solutions (by bubbling). Anyone have any thoughts on that?

damn chrome looks sick, where's the lumen shock you were talking about your babies are looking nice.

thanks to everyone for the advice, I just set up a rdwc system with a 430w son agro and a whole new set of clones. I also turned off all but 2 lights for the original lot as well to see if I can recover those, but this way I have a backup plan in place as well. Great tip with the indirect light...

They are definitely lumen shocked but every single plant is showing new growth, albeit definitely not fast. But is the fact that there are new leaves and new growth is a sign I can recover these plants. I am going to raise the humidity, maybe run 4 lights instead of all 8? I know the reason i...

for sure, that makes alot of sense, I was just of the impression that the rdwc will make them beast right from the start but i guess drip gives them a chance to ease in there. What do you guys think I should do at this point? Keep going or restart with new clones, new res, less light and more...

So basically i'm screwed then? I should start a whole new lot of clones from scratch under less intense light in the E&F then transplant into the system?

thank you guys for the prompt and thorough replies, and thank you doubleds for personally giving your opinion, its greatly appreciated. From what it sounds like, I need to raise my humidity, raise the lights (or maybe just run 4 for now?) so its less intense. Do i need to add a fungicide to my...

I'm in need of some advice desperately and i'll include a bunch of pictures to help diagnose my problems. Here's the scenario: 8k watts bare bulb vertical RDWC system with a 4000gph pump with a feedback tee back into the res for extra aeration. 2x 12" waterfalls coming into the res from...

Just out of curiosity is it normal to see droopy leaves in this system? Seems like some of the leaves in your picks look almost wilted, is that just a byproduct of the system, or a lack of RH? Beautiful harvest by the way congrats.

sorry guys i just messed up with the diagram there should be lights as shown in easypleasies diagram, the system is 8 lights, 7 plants. The total vertical height is 8ft i will try and get a measurement from the top of the bucket to the roof. I was just hoping the extra distance we are giving...