our 2 315's came with hydro crunch bulbs- in our 4x3.5' tent, these '2' fixtures don't compare with our 1000w hps grows- the buds r way underweight- they def put out less heat, but the growth is underwhelming....
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Natural high
Member
Yeah 630w is never going to match 1000w of hps. I am yet to find anything that matches hps for bud weight and girth. Maybe the new LED strip lights hold promise, purely due to their high efficiency (lumens/watt).
What happens when you compare grams per KWH?
I can't do that scientifically controlling all the other variables because I have one enclosure, recycled organic soil & varying seasonal temps.
i will let u know when i cut... maybe it will compare favorably watt for watt... but at this point it looks like hps is still the champ...
Miraculous Meds
Well-known member
Hmm.. What fixture are you using? Maybe the bulbs? Im running all phillips bulbs, and they are doing very well. One tent is vert hoods, and the other is horizontal. If I had the money and time id be converting more over to cmh. Im going to test a mix of cmh and hps soon. Ive already seen some friends do really well with the mix too. Ive seen a trend of people running mixed 3ks and 4ks too with great success.
the fixtures r from ebay, the bulbs are hydro crunch 315w/3100..
poss its the bulbs... since they r brand new, figured they can't be that bad, but maybe they r... i asked a month + ago if anyone has used hydro crunch... seems no one has...
Miraculous Meds
Well-known member
Density and weight is not a problem with these 315 phantoms.
Howdy, I’m new to CMH, but considering buying 10 fixtures (315) for 2 of my rooms as suplemental overhead lighting. I run vertical hps bare bulbs, so I’m really just looking for something to add more blue into the spectrum. I’m wondering if anyone runs remote ballasts? Are there substantial differences in light produced from remote vs integrated? Just efficiency? Thanks
Miraculous Meds
Well-known member
I cant speak to the efficiency of remote ballasts, but I can speak to the performance. My 6x6 with 315s was all remote ballasts and it killed. Also run a pheno room with off brand remote ballats, and it does well. Also do some veg with remote ballasts in they are fantastic. I did a tent with ballasts in fixtures, and they crushed it too. Id go with cmh for sure, but you could also just switch out some hps for mh for mixed spectrum, but my votes for cmh.
brown_thumb
Active member
Remote balllasts need a stronger starting pulse than integrated ballasts. Other than that performance is identical.
we grew with '2' 315's in a 4x3.5ft tent... def no way is it even close to a 1000w hps... other then less heat, not impressed...
Zarezhu
Member
Hey guys,
This is a hell of a thread, Illneed to look through it thouroughly, HOWEVER
I have 2 3'x16' tables that I want to light. This room may strictly be a nursery, but I mayyy chose to flower the room if the nursery isnt producing like I would hope. Theres Roughly 6.5' of headroom. Tables are roughly 1' off the ground. At first, I was thinking 600w DE's ran down the rows. Then I considered LED lights on amazon. Reconsidering LEDs because I may not get the intensity that Id want in bloom.
Then I found these:
https://www.amazon.com/dp/B077HRZ2M5/ref=twister_B077HKP3FY?_encoding=UTF8&th=1
They have the wide style reflector, which seems like it would be great for me lighting a 3 x 16 table. I could fit at least 5, (possibly 6?) per table. I also love that I can daisy chain these.
Of course theres a closed version of the reflector as well, which I wouldnt be opposed to getting as it would provide more penetration into the canopy.
I'm hoping to get some advice from you guys?
I want a PERFECT veg room, but I also want to be able to bloom with these lights if necessary.
What do y'all think?
This is a hell of a thread, Illneed to look through it thouroughly, HOWEVER
I have 2 3'x16' tables that I want to light. This room may strictly be a nursery, but I mayyy chose to flower the room if the nursery isnt producing like I would hope. Theres Roughly 6.5' of headroom. Tables are roughly 1' off the ground. At first, I was thinking 600w DE's ran down the rows. Then I considered LED lights on amazon. Reconsidering LEDs because I may not get the intensity that Id want in bloom.
Then I found these:
https://www.amazon.com/dp/B077HRZ2M5/ref=twister_B077HKP3FY?_encoding=UTF8&th=1
They have the wide style reflector, which seems like it would be great for me lighting a 3 x 16 table. I could fit at least 5, (possibly 6?) per table. I also love that I can daisy chain these.
Of course theres a closed version of the reflector as well, which I wouldnt be opposed to getting as it would provide more penetration into the canopy.
I'm hoping to get some advice from you guys?
I want a PERFECT veg room, but I also want to be able to bloom with these lights if necessary.
What do y'all think?
I do well through flowering using roughly 40w/ sq ft in a tight reflective space. I try to keep 18-24" between the tops & the lights. You want at least six 315 units or three 630w units per table for high performance. You could get by with less strictly in veg but growth won't be as rapid.
Miraculous Meds
Well-known member
Id go with these for the money. I believe they come with a phillips bulb n ballast.
https://hydrobuilder.com/sun-system...aaL_aIUNvPmRL6Y5j3ReVS6OpftF0KokaAo0wEALw_wcB
https://hydrobuilder.com/sun-system...aaL_aIUNvPmRL6Y5j3ReVS6OpftF0KokaAo0wEALw_wcB
Are those sun system lights quality? I’ve got my cart full of the remote hoods + prism ballasts
Genuine Philips ballasts are likely the best available. The price on the 240v units is excellent.
Miraculous Meds
Well-known member
Yes, quality, yield, are on point with these lights. I will be getting more. I am running a few of the prism ballast systems with cheap hoods, and I like their performance, but I haven't used them in a production type environment, so no yield testing yet. but quality on the pheno room and veg area have been good.
I cant tell about ballast quality, except ive been running these generics and brand names for a few cycles and no problems with either of them. On the cheap kits the reflectors are not as nicely built as the sun systems.
I think I paid around $230 bucks for the prism/winged hood/chord/ and a phillips bulb in a kit. I think the price went up on those though. So spending around 200 for a phillips brand system that's built really well like ss, is what Id go with for that price.
These are with the ss 630w lights I have.
Zarezhu
Member
@miraculous-
those buds look lovely! Almost looks like a hash plant.
I appreciate the link to the 315 LECs! LEC > CMH, correct?
And Do you think that 5 or 6 of the 315w LEC's will light a 3'x15' table very well? For bloom as well as veg? Your 630 looks like it had decent canopy penetration and decent intensity but its hard for me to guess how well a 315 watter would compare. Id imagine that it would have to be closer to the canopy, and closer together as well.
I'm still debating how much better my tables would be and how much higher production would be if I lit the 3x15 with 5 600 watt HIDs.
My main goal is for the room to be able to veg or bloom with great vigor and health. Its a production room, so I wouldnt care about spending more money on electricity/cooling if it meant the plants were vegging/blooming more vigorously and healthily.
Also- am I correct to assume that the 4200k bulbs would be better for veg and the 3100k bulbs would be better for bloom?
those buds look lovely! Almost looks like a hash plant.
I appreciate the link to the 315 LECs! LEC > CMH, correct?
And Do you think that 5 or 6 of the 315w LEC's will light a 3'x15' table very well? For bloom as well as veg? Your 630 looks like it had decent canopy penetration and decent intensity but its hard for me to guess how well a 315 watter would compare. Id imagine that it would have to be closer to the canopy, and closer together as well.
I'm still debating how much better my tables would be and how much higher production would be if I lit the 3x15 with 5 600 watt HIDs.
My main goal is for the room to be able to veg or bloom with great vigor and health. Its a production room, so I wouldnt care about spending more money on electricity/cooling if it meant the plants were vegging/blooming more vigorously and healthily.
Also- am I correct to assume that the 4200k bulbs would be better for veg and the 3100k bulbs would be better for bloom?
