Ceramic Metal Halide or Light Emitting Ceramic, CMH/LEC

[Skunky Dunk Farms]

That signal wire is for some sort of controller that I don't have, I'm not really 100% sure how that works.

Operates without the controller though, i think I'll pick up a couple , thanks for the link.

 

[Chip Green]

I got this pile for $210 USD to my door.
Like a sore dick, ya can't beat it.

 

[Skunky Dunk Farms]

I got this pile for $210 USD to my door.
Like a sore dick, ya can't beat it.
View attachment 91484
View attachment 91485

I'm having a hard time getting it to add to cart with the bulk discount and it wont combine the shipping.

 

[Chip Green]

I just selected the buy 4 button, then selected FedEx from the shipping option.

I'm doing it on a mobile device, haven't looked at the PC eBay in some time.

 

[Skunky Dunk Farms]

I just selected the buy 4 button, then selected FedEx from the shipping option.

I'm doing it on a mobile device, haven't looked at the PC eBay in some time.

Finally got 4 of these coming!
Socket adapters too.
Oh, and 4 bulbs.

 

[Skunky Dunk Farms]

Ok, i have 4+ complete systems now!
Reflectors, ballasts, bulb adapters, bulbs and extra socket/cord sets.
So,,, what kind of distance are ya running on these 315's??

 

[Chip Green]

This spot here, there's a top directly under a vertical hood. 12 inches (ish). That's about as close as I've gotten without seeing any ill effect.
This room is a hodge podge of different shaped 315 hoods, and HLG boards.
Took it right to the brink of overgrown!!!!


Also to be noted, this has been flowering at 10/14 for just beyond 30 nights. The photon saturation is so high, I can get away with shorter "days".

I generally have a little more wiggle than a foot, but they seem to be taking it well.

@Skunky Dunk Farms , I also use a cheapo brand(Dr. Meter) LUX device.
Works wonders with white LED/CMH to get an idea of light levels. Not nearly as precise as an actual PAR meter, but once I know how my meter reacts to my equipment, it's a great tool for baseline setup.
30K and above LUX, pushes chunks.

 

[Skunky Dunk Farms]

So I've had these 4 LEC lights burning for a couple weeks now.
Plants do love them!
They run much cooler without venting than the HPS running with vented hoods.

 

[DemonTrich]

I ran cmh for 6yrs. I swapped 4x 315 for 3x 1680 gavitas. 3 days layer back to the cmh. There are tricks for cmh. And co2 helps greatly. Philip's premium bulbs, prism ballasts, air cooled big kahuna hoods (adjustable bulb placement).

 

[spyralout]

I will vouch for CMH, Philips premium bulb. I sprinkled in a few bare bulb using the sockets from cheap HPS hoods along w Different bar LEDs in different tents, one set of 600w GV2 from Canada via @Turpman and two sets of 600w Kingbrites w Samsung LM301H w Cree Reds. I tried using the wing hood but it didn’t work out well due to space limitations. I burned my shirt sleeve once on the bare bulb. However I did notice smth about the CMH. The plants that were closer to the CMH produced more “fuzzy trichs” like a carpet. It was very obvious when compared to the other plants that weren’t as close to the CMH. After all was said n done, the buds that had those fuzzy trichs were consumed first. I first discovered this after watching @Capt. C run his 315 Sport light, which had a CMH in the middle surrounded by a square of LED boards. After a sample zip worth of some spectacular Mac1 fuzzy trich bud I was intrigued to see if I could reproduce this and the CMH was the secret sauce.

 

[DemonTrich]

In my testing with cmh.
Cmh veg bulb (Philip's 942 bulb) works great in flower. Lowers heat by 2* per bulb/hood vs the 930 flower bulb. The 942 bulb produced tighter node spacing and more frost. Albeit at a slight less weight (aprox 3/4 oz per plant, normal 5oz plant average weight).

Ushio beat Philip's cmh by 2umol of uvb. Philip's beat/s all other bulbs in every aspect.