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Correct. Using CO2 increases the variable temperatures ur plants can withstand before photorespiration occurs. That does not mean the optimal temperature increases, as other factors need to be considered such as the potential consequences of increasing root zone temps - usually not good. Keep ur...

I used to have some Gavita chrome domes which were awesome. Then I bought the same style bulb (not sure if it was from the exact same mold) with the internal reflector from sunlight. 25% of my bulbs blew. Shop guy said they were being made in China as opposed to the original ones being made in...

Yeah totally. Thats the issue. All the reps say theirs is the best but no concrete evidence

What brand are they?

It would be ok to let chlorinated water stand for a day though to rid it of the chlorine, yeah?

Cool idea - if it works

I have used so many different brands of HPS over the years, mostly trying out new lamps by weighing up the pros and cons of spectrum vs lifespan vs dollars. Its all in the love of tweaking, you know what it's like. Im at the point now where I just dont believe half the rubbish about "longer...

Thanks all. I've since changed brand of coco. Not having the same issues. Might be a bumper crop this time. B

Hiya crew. I have a query about coco and salts. I run to waste. I usually flush new coco by putting it in a large bin and running the garden hose through it until the run off turns clear - depending on the brand of coco I use, this'll take about 15-30 mins - then I measure the EC to be sure it's...

All in days green work

amazing goo!