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Absolutely PL reflectors are the best, and the most efficient reflector you can get (see Dutch greenhouses). Go with the deep reflector (400-600 watt) for max penetration into the crop, 1000 watt reflector only has one shape, but excellent quality as well. Talk to the guys at Altgarden.com to...

How much SM 90 per gallon for soil, same as hydro application (2ml)?

I like 1 part happy frog, 1 part FF big and chunky perlite, 1 part light warrior. Put 1" of perlite in bottom of container for better drainage, and this mix will allow you to water every 3-5 days depending on humidity and light cycle. Great root development...

Is this a centrifugal fan (Can fan, etc)? If so, the speed controller should lessen the noise substantially at lower speeds. But if you have to run it closer to the top end, possibly an inline duct muffler would help? If you could run a larger diameter duct, you could afford to run a larger...

So, how do you vent your dual hose? Would venting into the attic work? Thanks, FUNKadelic:bigjoint:

Bricktown, I've got an outlet in my new house that was meant for a tanning bed (30 amp/250 volt, with a NEMA L6-30P outlet, Cali style), that I would like to use for another project. Found some computer server power strips that are 30 amp that I can plug into wall receptacle, output from...

Bricktown, I've got an outlet in my new house that was meant for a tanning bed (30 amp/250 volt, with a NEMA L6-30P outlet, Cali style), that I would like to use for another project. Found some computer server power strips that are 30 amp that I can plug into wall receptacle, output from...