I was wondering what people thought of their CMH bulbs? What kind of coverage can I expect for veg? How high above the canopy do they need to be? I'm hoping they could cover a 4x4 area each and within a foot or so of the top of the canopy. Thanks RD
u can VEG in a 4x4(itll be a little low intensity around the edges) but i feel the 315's best perform INSIDE of a 3x3 square... i have 5 (1 veg -4 flower) and i run them over 3x6 botanicare trays and feel the footprnt is perfect ( 2 lights per 3x6 table)
I love mine. I hardwired the philips advanved ballasts to the digital timer and ran mogul base pendants mounted to rollers on a rail. I can grab them and move them where I want. They can get within 6" without burning. The pgzx18 base model have less glass around the element, so i'd say 12" is probably safe. I use 630 in veg over 8x3 with the option to go 945 but its just too much for what I do now. These are the fixtures i would roll with if I went that route. The Soleil http://urban-gro.com/grow-light-solutions/cannabis-lighting-products/
Thanks man, I was going to ask you about CMH in another thread. My main goal is to eliminate the light stress I'm seeing when I move the plants from veg to flower. I'm currently using t5's for veg and 1200w de's for flower kicked down to 600w.
I prefer to stack 2 units. I also do multistrain grows. I like a good sativa and a good indica in the bank. It gives me a little more flexibility. 1 is solid for a 3x3 footprint. I think you can hold them higher than people think. It has the penetrating power so with focused reflectors i keep it about 24". Ive seen guys with 6 footers and holding them 1 1/2 foot above the canopy. 2 would cover a 4x8 due to par stack. I dont run glass. Go with the vertical burn. It makes a huge difference. Sun systems and phantom are top dog with a 315 phillips 3100 agromax...wtf am I saying...youre @ElRanchoDeluxe. You do your home work. Used to dealing with people that want you to do their homework.
