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sooooo .... TL-D -> BAD or GOOD ?

my question is that the TL-D's are good or only T5's ?

Hi there ... I have a fixture with 2x TL-D 58W 827 (2700K) ~5000lm... is this fixture any good for the grow? I'm now in week one. I think the TL-D 58W 865 (6500K) bulbs are better.... Please I need a suggestion ... Thanks ...

I have a A/C ... I've try it at the beginning... the prb is that I have only 4-5 plants .... I don't want to pay huge electric bill only for that ... the growth is already slow because the heat .... I will come back with some pics to advise me what to do ... 2 of them have yellowish and thin...

so .... anybody .... ??

ok ... so I've tried with the cool tube... the temps are still too high... I came back to you guys for and advice ... I want to switch the HPS light for some CFL's ... Is there any chance for the babies to stress ... or to stun? Is very important because I can't deal with the heat right now ...

touching but allowing a good air circulation .... but the things improved only with 1-2 degrees .... now I have 32 degrees celsius near the babies (under the direct light) and 34 degrees upper, near the exhaust .... I think I need to put another cooler, more powerful ... This one has 95m3/h ...

I know that the cool tube resolve the heat problem... that's why I've made it .... the question is that is there any problem if the HPS lamp is touching the glass tube... ??

hi again... I've made a DIY cool tube... now I want to know if there is any problem if the HPS lamp is touching the glass tube?

ok .. thank you very much! I must do some research on my shops around me. I hope to find the solution for me.

what kind of glass is there? Did you buy it, or is from something recycled?

and from where can I get one of this in europe ? (cool tube) I'm using ducting for AC exhaust. the walls are white and with aluminium foil on some parts.

Can I do this 'home-made' or something ? Is there any diagram on how to build this ?

First of all I want to salute all of you. Respect. So... I build a grow room with this dimensions 200cm x 60cm and 160cm h. In there you can find the following: - 6 plants :X - 1 600w HPS - 1 125w MH - 2 120mm fans - 1 mobile AC unit The problem that I find is that there is a temparature...