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Hello mate, I can't help on your main problem but but i'm interested to know what you're not ducting the heat out of your cool tube? Surely this is defeating the object of said cool tube?

Hi Folks, I have access to shed loads of pressurised CO2 and regulators. I intend to rig up a system where the plants have an almost limitless supply whilst the lights are on. I'm wondering how to measure the amount of CO2 available to the plants? Any thoughts would be great.

Hi folks, i'm growing 5 plants in 5 auto pots using coco as a growing medium. I have 600w of HPS and 200w of HOT5. I'm currently 18 days into bloom. I'm dosing Ionics Bloom and Algamix. I use RO water with the PH reduced to 6 I've been persuaded into getting some Ton O Bud from a...

I've done a couple of grows now and in previous grows, i've had a nightmare with heat issues. I run a 600w HPS in a 1200 x 2000 x 2400mm tent. I have a big carbon filter and two desk fans in there. Even with the tent open, i couldn't keep the heat down, it was over 100f some of the time. I went...

I'll be flushing five plants tonight an i'll be using RO water since it's devoid of nutrients and nasties. I'll be reducing the PH to 5.5-6 and using 30L per pot since they are 10L pots. Dependant upon where you are in the world, some tap water is ladened with all sorts of nasties and i try and...

I am without question a noob so i have no real conviction in my reply but i have recently done the very same thing! I thought i was over/under watering my plants so i spent a couple of days letting them dry out etc and this was just counterproductive and never resulted in any change. I was...

Thanks for the swift reply. Over watering my be an issue, i accidentally let them dry out when i had the light too close so now i may be a bit paranoid. I'm dying to get some photos up, I've just been out and bought a new canon 40D with a sexy little 100mm macro lens, went to take some photos...

Hi guys, this is my second grow and i've had a few cuttings for over a week now. They are in compressed soil and about 3.5 inches tall. I've got 600w of light over them in a cool tube at about 1.5ft away. The roots look quality at about 3/4 of in inch long so i've moved them into 100mm rockwool...

Hi everyone, DIY dosing is something that interests me as i love to investigate the benefits/effects of varying amounts of specific nutrients. I'm heavily involved in the aquatic plants industry and it is widely acknowledged that dosing in excess with N,P,K,Mg,Fe etc is highly beneficial within...