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Exposed metal roof - pole barn. Part of it has R36 sheets between the wood trusses. The other half is exposed. Thanks for any help.

When you gonna post some new pics bro? This weekend?

Any suggestions? Gets cold at night in the winter. Former owner just stuck up R36 rools but they get wet too. Exposed metal is even worse. I looked at metal foil and bubble foil. It seems like spray foam may be the only way. Any suggestions?

Can two - 315 watt CMH lights match a 1000 watt HPS?

I just heard to use more care with CMH than HPS with eyes and skin (UV and skin cancer). I got a pre cancer spot from shit MH. Baseball caps and good sunglasses or work when lights are out.

What about bulb replacement for CMH? I saw a post on here before that CMH last much much longer than HPS.

Great responses from all posters thanks. :smile: +100 about keeping them off concrete and making sure root ball is not too cold. We are running tupur with multiple DRIPs with water kept at about 71 deg F. Is that too cold for a DRIP. This may be the key point here. I assume buy phasing out...

I am still on SE HPS but finally may start making a move toward QB. My idea was to keep some SE HPS for winter and do a mix. The question is - are QB's and COBs warm enough in winter? Say at night the outside is below zero. The somewhat insulated building would probably be close to 40 F...

I suck at the metric system but that is about 10 feet high or a bit more ceilings which are fine for DE. they will keep your plants warm enough in winter but what about in the summer? I personally like the idea of QB boards or COBs but do they warm enough in winter? And will a space heater...

How high is your ceiling? A guy I knew who wanted venting of heat was bight on AC/DE. Someone else I know, who is more commercial, was big on Fantom DE. 1000 W.

Master Kush for fast flowering and heavy yields?

Maybe. The water usually pools on the tips.

The dark green tips? Might be too much nutes. Try watering with just water for a day or two. Not to try to get you to spend more money but do you have a reverse osmosis water filter? Do you PH your water? My first Grateful Dead middle age hippy guru used to say his water was a perfect at...

Here you go for rinsing. Asprin spray which is really salycilic acid. One or two asprin in a gallon of water. You may want to pre dissolve the asprin in a cup of water. Supposedly it helps the plants immune system fire up to fight back against bugs. You can use it to also rinse the plants.

Nice. Looking great. Are nine blade leaves really rare? I do not recall ever seeing one but I do not always count them. My impression is really healthy plants mighthave 7.

I was looking at some of his leaves and they look really good. I thought I saw some 7 blade and even 9 blade leaves? Are those common? I usually see 5 blades and once in a blue moon 7 leaves.

I have seen people say it's no big deal but light leaks are a big deal. There are lots of little details but when you take care of them then things work out.

It could be the seeds were not all feminized. take picks and post on one of the forums on that topic. You can release them probably a day after forbid. You have to get the timing right on mites because they can probably sit in the fridge for as day or so. BTW - lady bugs are only good for...

I c I cannot get the pics to enlarge. It looks like a brown vein in picture #3 is russet mites and the healthy one below that looks fine. If you have peppermint essential oil then add about 9 to 10 drops per gallon of water and add 3 drops of Dawn dish soap. If you can get Ivory white dish...

Usually what happens with herms is a light leak in flower. Light, even a small amount, can sneak in during lights out and it confuses the plant. In flower you are 12 on and 12 off. This is when light leaks can cause problems - veg is not an issue. In veg you can go 18 on and 6 off or 24...