Joining the 150watt HPS club!
Building a box using a 150watt HID floodlight that fits MH & HPS. So I'll be using MH for veg then switch to HPS.
Where I come from, we only have HID in floodlight assemblies, or you buy them bare and assemble. No other set-ups like econolights & cooltubes.
4ft tall. 2ft wide. 1.5ft deep.
=3 sq. ft. grow area.
Sounds similar to my 150w cab, as seen in page 2 of the thread..
I've read that floodlights are not recommended because the assembly gets too hot.
So I'm putting the floodlight in a separate chamber and only the glass is exposed. I'm hoping that the glass will shield the grow area against the heat.
Like the idea...are you aware that the glass shield will eliminate around 10% of the lumen output of a lamp? Your idea will work and will help with temps, but will need managing so its not a potential fire hazard bro..
The chamber holding the floodlight assembly will get hot, so I'm putting 2 fans and also put holes on the floodlight casing for vent. There will also be 2 open vents at the lower part of the box to let air in and 2 open vents in the chamber to let air out.
Again this will work but, you could still ideally do with a fan in the exhaust vent holes, as it'll help with air exchange...For best results try to give a fresh air exchange every 5 mins..
Need your inputs before I finalize the construction.
Notes:
1. I drew a 9" line from the light. This would be the distance from the tips of the plants to the lights. It will leave me 23.75" of clear grow area.
2. The bottom part holding the plants will be height adjustable- since the light is fixed already.
3. I am limiting the height to 4ft. and maybe even shorter so I can "stack" 2 boxes together. I want to fit the most number of boxes in a small room and still be stealth.
4. I plan to also put activated carbon/charcoal on the upper chamber to somehow control odor before the air vents out.
For a carbon filter to work you will need to make the cabs air tight, so all air that is transferred thru the inlet fans will have nowhere to go except thru the exhaust fan and filter, if you leave air gaps, the smell will still escape the cab
5. It has a door. Just didn't draw it.
So I'm planning to fit 6 plants in there- 2 per pot. Is that ok?