re: Brightlight's Strain Fest - Organics & LED
I like the watts/sq.ft. I'm right at 39w/sf ... I could add some more but I dont think I need to.
Hopefully next year we will be talking 20w/sf with the same umols, and I'm not at 1200 but I'm close to that, at 12". My plants are able to grow to within say 6" of the COBs. They will grow right into them actually if I let them so the heat isn't there but its on the passive heat sinks but not much heat really which is amazing... unless 95F ambient.
I think COBs get hotter as the ambient temp increases, and it gets exponential depending on how they are wired (series or parallel + constant current drivers... lots of options and benefits).
I've had mites.. I probably have them now... little fuckers. Don't waste your time with bleaching everything... way too much work. FANS - they HATE wind. I have fans in the grow room pointed at the top soil line. They have trouble getting to the leaves with a little breeze.
That and start spraying your plants with silica.. Horsetail fern tea and/or Ful-Power and/or Pro-tekt... all of these <--- can be foiler sprayed and watered in (same time or not). Makes the plants taste like shit to the pests due to ramping up their immune system.
Mites are always going to be a thing... don't need to spray nasty chemicals on the plants to keep them away. Best approach is to help the plants fend them off (and fans). Remember when gnats were a thing, fans and gone.
Weak plants attract pests, so don't be a nurse-maid. Shitty growing plant... cull... sniff sniff puff puff, movin on. Not as easy as it sounds... effective.
I've crunched a crap ton of numbers, and as far as I can tell, there are a few simple rules of thumb. With these LM561C diodes, you should be able to count on 1200+ umols at 24 inches at 40 watts per square foot. The same applies to good COBs.
I like the watts/sq.ft. I'm right at 39w/sf ... I could add some more but I dont think I need to.
Hopefully next year we will be talking 20w/sf with the same umols, and I'm not at 1200 but I'm close to that, at 12". My plants are able to grow to within say 6" of the COBs. They will grow right into them actually if I let them so the heat isn't there but its on the passive heat sinks but not much heat really which is amazing... unless 95F ambient.
I think COBs get hotter as the ambient temp increases, and it gets exponential depending on how they are wired (series or parallel + constant current drivers... lots of options and benefits).
4D said:Aggressive girl there B.Brown!!
Ive got a Beethoven Bomb TR. Can I use this with the plants?? Can I use this in Flower, if so heavy in flower?
Ive thought use it during the summer shut down after I bleach wash.
I've had mites.. I probably have them now... little fuckers. Don't waste your time with bleaching everything... way too much work. FANS - they HATE wind. I have fans in the grow room pointed at the top soil line. They have trouble getting to the leaves with a little breeze.
That and start spraying your plants with silica.. Horsetail fern tea and/or Ful-Power and/or Pro-tekt... all of these <--- can be foiler sprayed and watered in (same time or not). Makes the plants taste like shit to the pests due to ramping up their immune system.
Mites are always going to be a thing... don't need to spray nasty chemicals on the plants to keep them away. Best approach is to help the plants fend them off (and fans). Remember when gnats were a thing, fans and gone.
Weak plants attract pests, so don't be a nurse-maid. Shitty growing plant... cull... sniff sniff puff puff, movin on. Not as easy as it sounds... effective.