CMH or HPS ?

qroox · Mar 25, 2014

I'm currently vegging under a 250watt lumatek HPS bulb.All good.It's pretty decent and so far i'm satisfied.I was thinking which one would be the best to flower with ? A CMH of the same wattage or a 250w HPS like the one i have right now ?which one would give the best buds? i'm in a 0.76m*0.76m*1.2m growtent .I would also like to know a good online source tha sells online and ships worldwide..thanks

Sunbiz1 · Mar 25, 2014

Hello!

This topic I have been attempting to research as well, if you are able to dig up more info than I...please do share.

:peace:

https://www.rollitup.org/advanced-marijuana-cultivation/817188-dual-spectrum-lighting-2.html#post10345089

qroox · Mar 25, 2014

Haha.Well i've started researching today.I can't find a decent bulb to buy.Have you ever tested/bought one ? I do have to order online because my local grow stores probably haven't got a clue on what it is :/

genuity · Mar 25, 2014

qroox said:
I'm currently vegging under a 250watt lumatek HPS bulb.All good.It's pretty decent and so far i'm satisfied.I was thinking which one would be the best to flower with ? A CMH of the same wattage or a 250w HPS like the one i have right now ?which one would give the best buds? i'm in a 0.76m*0.76m*1.2m growtent .I would also like to know a good online source tha sells online and ships worldwide..thanks

i take it you have not flowerd under the 250 hps at all?
both will give good bud/nug....as long as the genetics are good to start with.
lot of the online shops ship WW

qroox · Mar 25, 2014

genuity said:
i take it you have not flowerd under the 250 hps at all?
both will give good bud/nug....as long as the genetics are good to start with.
lot of the online shops ship WW

Well i've grown a sleeskunk and a Green-O auto.I'm flowering right now 3 strains ,nearly harvesting 2 more Green-Os and vegging 12 plants.I got 2 tents ,one for veg ( 250w Lumatek HPS bulb+ballast ) , and 400w lumatek HPS dual spectrum hung vertically+ballast .I'll have to store my flowering tent (1,5m*1,5m*2m) and use 2 small tents (cuttings-veg,flowering) this July.I'm planning to start using this set up as soon as i buy it.I'm actually planning right now.

hyroot · Mar 25, 2014

CMH all the way. I wad running 2 Philips allstart 330 last year until they were stolen among other things. They kicked ass. I got the same yield as a 1000w digilux and hortilux. Far more frosty buds and slightly more dense with CMH. The 330's put out a white light like being outside. The have very high par 1400 umole/s at 16 inches away and a 93 cri. Plus good amount of deep red , uva-a and uv-b. They are open reflector rated. Have a quartz crystal coating. Last 3 times longer than hps with less spectral degrading.

amgprb · Mar 25, 2014

hyroot said:
CMH all the way. I wad running 2 Philips allstart 330 last year until they were stolen among other things. They kicked ass. I got the same yield as a 1000w digilux and hortilux. Far more frosty buds and slightly more dense with CMH. The 330's put out a white light like being outside. The have very high par 1400 umole/s at 16 inches away and a 93 cri. Plus good amount of deep red , uva-a and uv-b. They are open reflector rated. Have a quartz crystal coating. Last 3 times longer than hps with less spectral degrading.

Will a 330 work with a 400 watt digital ballast? I have also been very interested in CMH. Just wasnt sure if I need to purchase a different ballast or hood to run them?

qroox · Mar 25, 2014

hyroot said:
CMH all the way. I wad running 2 Philips allstart 330 last year until they were stolen among other things. They kicked ass. I got the same yield as a 1000w digilux and hortilux. Far more frosty buds and slightly more dense with CMH. The 330's put out a white light like being outside. The have very high par 1400 umole/s at 16 inches away and a 93 cri. Plus good amount of deep red , uva-a and uv-b. They are open reflector rated. Have a quartz crystal coating. Last 3 times longer than hps with less spectral degrading.

I'm sorry to bust your nuts but could you share a store that ships WW this bulb ? I've got a 400w lumatek dimmable digital ballast that can operate 250w-400w.Which one would work best and how should i operate this bulb? I'm still new to this and i can be a PITA ^^

amgprb · Mar 25, 2014

qroox said:
I'm sorry to bust your nuts but could you share a store that ships WW this bulb ? I've got a 400w lumatek dimmable digital ballast that can operate 250w-400w.Which one would work best and how should i operate this bulb? I'm still new to this and i can be a PITA ^^

http://www.amazon.com/dp/B001IMNATM/ref=cm_sw_r_udp_awd_sBzmtb00QP979

Not 100% sure if this is exactly it, but I believe Amazon ships WW

genuity · Mar 25, 2014

you have to buy a whole new setup,if you want to go cmh..

qroox · Mar 25, 2014

Well i'll be using the set ups i have right now,and jump into this new set up when my sister is back from Switzerland in July.I will have to buy a new one since my room won't fit that huge tent,so i'll do it now to adjust sooner

qroox · Mar 25, 2014

amgprb said:
http://www.amazon.com/dp/B001IMNATM/ref=cm_sw_r_udp_awd_sBzmtb00QP979

Not 100% sure if this is exactly it, but I believe Amazon ships WW

250W Philips Master HPI-T Plus Metal Halide Retro
Philips Master Hpi-T Plus Metal Halide Retro Fit 400W

these are the ones i can find locally.Unfortunately this does not ship to Greece.

hyroot · Mar 25, 2014

amgprb said:
Will a 330 work with a 400 watt digital ballast? I have also been very interested in CMH. Just wasnt sure if I need to purchase a different ballast or hood to run them?

runs on a 400w magnetic mh or switchable. No digital. Just use an open reflector / wing. They run as cool a 250w hps.

http://advancedtechlighting.com/cdmallstart.htm

qroox · Mar 25, 2014

hyroot said:
runs on a 400w magnetic mh or switchable. No digital. Just use an open reflector / wing. They run as cool a 250w hps.

http://advancedtechlighting.com/cdmallstart.htm

Is this site legit ? I'll be needing a ballast + a bulb ? My lumatek 400w dimmable digital ballast won't support it ?

hyroot · Mar 25, 2014

qroox said:
Is this site legit ? I'll be needing a ballast + a bulb ? My lumatek 400w dimmable digital ballast won't support it ?

they are legit. The owner is sick. So sometimes he's is highly medicated . So he sometimes he lags on shipping. You might have to call him to make sure he sends it right away. He will talk your ear off about lighting too.

a digital ballast wont support it due Hz they run at. You can get the mag ballast from any hydro shop.

qroox · Mar 25, 2014

hyroot said:
they are legit. The owner is sick. So sometimes he's is highly medicated . So he sometimes he lags on shipping. You might have to call him to make sure he sends it right away. He will talk your ear off about lighting too.

a digital ballast wont support it due Hz they run at. You can get the mag ballast from any hydro shop.

Perfect then! I've already sent an e-mail asking what do i need to run this CMH .I'm thinking 250w is enough for 4-6 clones in one gal pots flowering in a 0,76m*0,76m*1,2m grow tent ?

Sunbiz1 · Mar 25, 2014

hyroot said:
CMH all the way. I wad running 2 Philips allstart 330 last year until they were stolen among other things. They kicked ass. I got the same yield as a 1000w digilux and hortilux. Far more frosty buds and slightly more dense with CMH. The 330's put out a white light like being outside. The have very high par 1400 umole/s at 16 inches away and a 93 cri. Plus good amount of deep red , uva-a and uv-b. They are open reflector rated. Have a quartz crystal coating. Last 3 times longer than hps with less spectral degrading.

Edited my last posting, no way I'm spending the cash to buy new ballasts etc.

amgprb · Mar 25, 2014

hyroot said:
runs on a 400w magnetic mh or switchable. No digital. Just use an open reflector / wing. They run as cool a 250w hps.

http://advancedtechlighting.com/cdmallstart.htm

Thank u friend!

qroox · Mar 25, 2014

Sunbiz1 said:
So the only means to run CMH is to buy new ballasts?.

Well i was going to buy one for sure..so i think it's the same for me.They run in different Hz as hyroot pointed out before

qroox · Mar 25, 2014

hyroot said:
they are legit. The owner is sick. So sometimes he's is highly medicated . So he sometimes he lags on shipping. You might have to call him to make sure he sends it right away. He will talk your ear off about lighting too.

a digital ballast wont support it due Hz they run at. You can get the mag ballast from any hydro shop.

As i mentionted before,SORRY for being a pain in the ass,but would you be kind enough to point out an ideal ballast

?

CMH or HPS ?

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