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I dont have a proper meter to check the ppm. I always start very slow with nutes, usually 1/4 strength > 1/2 > 3/4 > full dosage (2 tsps). But yeah I'm using the blue garbage from gh as ph up (replaced with botanicare ph up its sooooo much better), and I never used enough, I think the testing...

Yeah the ph being to low is where I think the problem stems from because I've fed calmag since it's 3rd week alive. Nice site will be storing the link with the collection of other sites I have. Thanks.

Yeah with the laSt gallon of the flush I used 1 tsp tiger bloom, cal mag, and Epsom salt. Not sure if I should give more nutes next water or not.

After flushing and finishing with a mild dose of nutes it's no longer spreading, but growth has come to a halt for a week almost. Soil is still pretty damp after a week, used to water every 5 days. Just trying to figure out if they are gonna finish growing or if I need to scrap them and start over.

These are all ca def. I guess it's more of a lockout since the oh was to low for the roots to absorb it. It also has MG def in the lower leaves. Necrosis around the edges the inner leaf turns yellow and eventually falls off.

Ok so my plants all had a ca def and it was due to salt build up in the soil lowering the ph so much that calcium couldn't be absorbed anymore. Also had a MG def as well. I flushed with 14 gal water PhD to 6.5. The laSt gallon was 1 tsp calmag, tiger bloom,and Epsom salts, also ph'd to 6.5. The...

Problem solved. Seems if you use common sense when positioning your exhaust fan it works a lot more efficiently. The ducting between my hood and fan wasn't level and there was a large 90 degree bend. I moved the fan back so it's 12" away from the hood and straight and temps dropped drastically...

Yeah I guess I'll see what happens come fall, and winter. I don't have much in it only like 350ish. Think I'm just gonna try a bigger fan on the light for the time being. An 8 or 10" instead of a 6.

It's the end of summer here and temps don't get to high anyway. The tent is in the closet in a spare bedroom. My fan pulls air from the hood and blows it through the wall into another closet, which is sealed up. The room the tent is in stays around 68 degrees. Idk thought I'd be able to pull it...

Thanks man. Any idea what more I need to keep the temps down some? I have an air-cooled hood with an ipower 6" fan (400 something cfms), a twin window fan blowing under the light, but above the plant tops, and a desk fan underneath the plants. Maybe a bigger extraction fan?

Got the temps down to 82 at 75% guess that's gonna have to do. Hate that I'm not gonna be able to run it at 100%. Yeah like I said I was expecting a small difference in heat not 13+ degrees

Intake is just the 3 flaps on the bottom and I leave the bottom of the door unzipped so the intake holes are def 3x the size of my fan.

A twin window fan is between the light and tops of the plants blowing, and a small desk fan is underneath. Plenty of air circulation in the tent. That hps just puts out a ton of heat compared the mh.

Got an air cooled hood with a 6" extraction fan. All Ipower brand rated at like 430 or 460 cfms. Running it on full blast like 4 ft of ducting. Gets well into the 90s on 100%. Needless to say I've got it turned down.

I'vent got a 600 watt mh/hps light. My mh light at 100% and 10"away never broke 81 degrees. I switched bulbs this morning and the hps after an hour was reading 93 degs. I moved the light to 15" and turned it down to 75% and my temp is ranging 82-84 degrees. How is my mh light running 100% cooler...