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Flood and drain will be the easiest method. Drain to waste is easy if you're hand watering but once you want to implement an automated feeding/watering system is where it can get a little more complicated. I am experimenting doing just that now. Flood and drain is my preferred method but still...

You are pretty much referring to what is called vapor pressure deficit. Its not as easy as high temps low humidty because yes, plants are sensitive to humidity, very sensitive. High temps with low humidity will likely lead to plants wilting, they can only transpire at a certain rate, you have to...

Its probably the chlorine cooking off out of your water. Chlorine is an acidic oxide and will evaporate out of your tap water. I used to have the same trouble. Let your water sit out before using. Use a trash can or something, fill it, let it set for a couple days or use air stones to speed up...

I think that's what I'm going to try first. Is an 860 above one of my tables to flower with. At least I can get some more use out of that boat anchor 1000 watt mag ballast lol. I have some about to make the flip but still finishing up a few in the flower room. I will have to order one of those...

I understand that and I was going to, and tried, to use 1/4 tsp per gallon but its only like 160 ppm or so. I bumped it up to 1/2 and fed because 160 ppm doesn't seem like it would do anything. The next and last time I fed I bumped it to dyna-gro's recommended 1tsp/gal for correcting...

I am hoping they work fairly well, I have quite a few laying around and slowly implementing a couple into my grow. They are light weight and easy to work with. The bulbs are rated at a slighly higher lumen out when verticle? But they do put out a focused beam out the bottum of the bulb. I've...

If you need to cool your lights/hoods but you won't want to run much of an exhaust on the tent now that you are cooling with ac. Like you said it will suck out all the cold air.

I feel your pain man. I'm in the same boat with a strain I run. Nice colas but you want to puke when you see that fuzzy white mold inside. I too need to upgrade my ac because, as you mentioned, VPD-you can't just dehumidify the shit out of the room if the temps are too high. My guess is would...

You can see one of the luminaires in this photo. It only has a 400 watt bulb/ballast running it.

I have some old luminaire hoods-warehouse style lights. I took the ballast off the top and wired a cord to them so they aren't above the hood anymore. I still have extra ballast and hoods laying around, got a deal on a bunch, but I also have a single 1000 watt xtrasun ballast just sitting there...

I have seen these bulbs mentioned before but never looked into them. I didn't know they made ceramic bulbs that can be ran off a regular old magnetic ballast. I will maybe give one a shot. I like my old thousand watter but fucker puts off a shit load of heat.

Thought of trying this myself, and started flowering a few under MH, but had other issues and needed to rearrange my lighting so I abandoned the experiment. I like using a way lower spectrum with my bulbs. I go with 4000k or 3500k bulbs. The 3500s are a little hard to find. Gives them some more...

Alright. I will back it down to 1/2tsp per gallon and run that. My plants are still in veg. I started this on plants that were already vegging. They are about 6 weeks in under 400 watt MH lights. Growing at a pretty good rate right now.

No idea what you're talking about?...

Is that dose too hot? I figured 500 ppm would be a decent dose as long as I get a good amount of run-off.

Up to 1 tsp/gal. Brings ppm to about 500. I've also observed that pro tekt hardly does jack to ppms? A little thrown by that... I am adding 1 tsp dyna gro, 1/2 tsp pro tekt and 1/4 tsp per gallon. pH is around 5.9, which is a little higher then I normally run but running it as is without adding...

May be a calcium issue. I say issue because there is probably enough in you fert but getting locked out by pH or some other imbalance like too much magnesium or sulphur.

You've got a deficiency. One is just worse off than the other... different phenotype maybe? Your leaves are trying to tell you something.

Here's the latest. Finally got the drippers going, have been hand watering till now. The "drippers" are more like sprayers. Not sure if its a pressure issue or if that's how they're supposed to work? Its going to require a cycle timer as it only takes a minute to start getting run-off, which is...

Calcium hydroxide applied as a foliar is about the quickest you'll find.