Govita Pro dual ended super HPS?

TheMan13

Well-Known Member
Why wld anyone want the ballast connected... so close to the hood? I don't even try to keep up all this leading-edge tech. I try to wait until all the kinks are worked out.
I believe at such high frequencies a wire between the ballast and a DE bulb can be a radio interference nightmare and may have some signal loss issues. I assume it is this direct connection that puts this one peice technology over the top as for performance numbers.
 

hammer21

Well-Known Member
If I run into a problem with high frequencies will be cutting the cables and run them in 1/2" emt (conduit) then installing cord grips with twist lock plugs. I'm surprised that light and ballast manufacturers do not use shielded cables to resolve this issue. The more I think about it I will be running the cables in emt from the get when I do the install.
 
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TheMan13

Well-Known Member
I'm not an LED manufacturer. LED tech advances faster than computer tech.

Any lamp that mostly generates heat (and a little light) is doomed
Do me a favor and go back 5 years, read all the theoretical hype sold with those generations of over priced and under-performing products and then do the math. Like with solar and wind power over that same time frame, there are targeted losers when manufactures sell such theoretical technology backed more so by dogged ideology rather than the facts of the matter. The winners and losers are clear and premeditated, there is no theory to this very lucrative and successful "green" business model.
 

Rrog

Well-Known Member
whatev- The data associated with LED is as deep as you'd choose to dig. What changed the game (IMHO) was the all-white LEDs vs the single spectrum Christmas tree lights of the past. RIU has the most advanced LED section of any forum out there, as a side-note.

The movement away from old incandescent bulbs in the residential sector has propelled the tech even more
 

TheMan13

Well-Known Member
It's all about the quality of meds in the end brother. There is no question as to how the end product of a room full of these 1k DE super HPS lights would compare to a room full of LED panels. I've seen a lot folks invested and loose in that LED game and I cannot recommend it to anyone in good conscience.
 

abe supercro

Well-Known Member
I'm open to led for veg or supplemental while we watch this technology evolve. At least the costs for led have begun to reduce substantially. And they keep getting better. I sure wldnt mind lighting more of my living area w led, as they have a very pleasant glow w little power consumption. I'll check out the riu forum for LEDs...

kind of a side note,
I see a grower that gets very good results pre-flowering with compact fluorescent (right on-top of hedge shape) for up to 3-4 wks then moves to high intensity with favorable results which always surprised me.

thanks for the replies explaining how RF problems have been eliminated by avoiding cords w these nu style ballasts (and little to no-heat, Hmm). As soon as a few older digitals pop-on, there goes the reception on my classical music on my room radio and that messes with my harmony.
 
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Rrog

Well-Known Member
The Gavita rocks, though. It's absolutely what I would use if I wasn't LED. I have no direct experience with it, but some growers that I highly respect (Coot et al) love it.
 

Sativied

Well-Known Member
I always preferred Philips 'bulbs' but Gavita has become increasingly popular over the years moving towards becoming the nr1 brand for cannabis growing in the Netherlands. That's a given now that Phillips stopped selling lamps to the mj grow industry:

http://www.hortidaily.com/article/6254/Philips-stops-selling-lamps-to-cannabis-growers-employees-threatened-at-home

Some growshops still have them but they will run out sooner or later.

Anyway, can't go wrong with a Gavita Pro. Comparing it to led is like comparing a high end Mercedes on gas to a 2 seater Volkswagen on electricity :lol:
 

HGK420

Well-Known Member
idk this new generation of 120w and 90w phosphor Led's are pretty nuts. if anything used in combination with a 600w HPS you will be able to achieve better results then even a gavita in most situations. like most have pointed out gavitas need headroom.

I'm following a grow right now being run in a professional warehouse thats gotta be at least a half a million dollar set up and they are using the 120w solid states. so far results are great. its all still pretty new yet.

dont forget they just invented LED technology that actually COOLS the air around the light..... wowowowowowow. its still at the microscopic level but give it some time lol. just imagine light strips to cool your room! wow....
 

Sativied

Well-Known Member
just imagine light strips to cool your room! wow....
I just did and it doesn't look good... Sure a HPS can cause too much heat, doesn't mean the opposite, 'cooling a room', is the goal. Tropical plants... A HPS provides just enough warmth to provide an optimal climate as long as you got proper ventilation set up and don't think the hps needs to be close to the plant. Of course a 1k watter requires more headroom than a 600 or 400w.... to cover a much larger surface.

A gavita set is part of what was sold here as a kilo-knaller (kilo-boomer/banger), a completely equipped 5x5' 'tent' for 1gpw results. Cannot be compared to using LED on the same space.
 

HGK420

Well-Known Member
I just did and it doesn't look good... Sure a HPS can cause too much heat, doesn't mean the opposite, 'cooling a room', is the goal.
tell that to my power bill... 50% for cooling 50% for lighting... at least. if i cant get away with air vented 600w and supplemental lighting to have a room cool HELL YA. AC's are a pain in the dick. either expensive as all hell or you got heat jizzing all over the place out of the back of your unit... either way headache city. a new cooling solution is very welcome in my world.
 

HGK420

Well-Known Member
i just read that article about phillips ???!?!?!? WTF... thats fucking retarded... one buyer.... harassed them..... so they quit selling to the whole Canna industry>!?!??! WTF? bull shit. phillips and gavita are in cahoots imo
 

Sativied

Well-Known Member
Saving on power bill is definitely a plus but many home growers have a limited amount of surface area to work with in which case HPS > LED.

AC is expensive yes, ventilation is cheap. About 40 watts per hour in my case (exhaust with thermostat).

a new cooling solution is very welcome in my world.
Yes, that's the thing isn't, I had that discussion here a while back, it depends a lot on where 'your world' is and the climate over there, in particular the temp of the air you suck in. If that's not cooler than you want the grow space to be...
 

Sativied

Well-Known Member
i just read that article about phillips ???!?!?!? WTF... thats fucking retarded... one buyer.... harassed them..... so they quit selling to the whole Canna industry>!?!??! WTF? bull shit. phillips and gavita are in cahoots imo
:lol: I don't know man, I don't see a reason for a conspiracy here. Philips is so large they can afford to do it. They announced it also on national television in some tv program. Making so much money on the illegal mj grow industry is bad marketing. Gavita has been competing with Phillips for years, they may be new-ish in the US forums, but they've been around for a while.

Also, since it's legal in some states, I don't know how or if it will affect the US market.
 

HGK420

Well-Known Member
Saving on power bill is definitely a plus but many home growers have a limited amount of surface area to work with in which case HPS > LED.

AC is expensive yes, ventilation is cheap. About 40 watts per hour in my case (exhaust with thermostat).

Yes, that's the thing isn't, I had that discussion here a while back, it depends a lot on where 'your world' is and the climate over there, in particular the temp of the air you suck in. If that's not cooler than you want the grow space to be...
or if you dont wanna bring in outside air cause you live in a mini jungle with vines and weeds all over my house and mites everywhere outside.

theres a new mini split out now tho thats only like $1400 if i remember that you can install yourself without voiding the warranty. dont need an ac guy and a vacuum pump and all that jazz. pretty handy.

and i thought gavita's still just had phillips bulbs in the end but just marked up? idk i havent read a ton on the topic yet. theres epaps gavits and phillips DE's but dont they all just use a phillips bulb? with different ballasts and reflectors?
 

Sativied

Well-Known Member
and i thought gavita's still just had phillips bulbs in the end but just marked up? idk i havent read a ton on the topic yet. theres epaps gavits and phillips DE's but dont they all just use a phillips bulb? with different ballasts and reflectors?
That's how they started. They've been developing their own bulbs since a couple of years ago, the first DE at 1950 umol, second one (pro de el, available since last year) offers 2100umol. Designed by Gavita, and exclusively manufactured for them in Germany. EDIT: just read a PRO DE EL PLUS is in the making.

The admin of the largest dutch grow forum is working for Gavita now, he has some posts here too (username whazzup).
 
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