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  #1  
Old 05-02-2019, 10:31 PM
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Location: Uruguay
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Default The digital VS magnetic ballast myth?

been talking with my friend who claims that with a digital ballast you can get more light power.
i knew that a digital can save you some electricity ect ect but i find it hard to believe that it will give more spectrum and power from your bulbs...

anyhow sure that you guys will know better...
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  #2  
Old 05-03-2019, 12:58 AM
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some of the digital ballast have a 110% mode, or overdrive, or whatever they want to call it.
so yes, it is possible.

also, i have no idea about the actual usage of the ballast, and the power supplied to the bulb.
if the digital is more efficient, does that mean that it draws less current from the outlet, or that it passes that extra bit of power to the bulb.
it would be a small amount we are talking, but a benefit none the less.
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  #3  
Old 05-04-2019, 12:15 AM
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Quote:
Originally Posted by jack hairy View Post
some of the digital ballast have a 110% mode, or overdrive, or whatever they want to call it.
so yes, it is possible.

also, i have no idea about the actual usage of the ballast, and the power supplied to the bulb.
if the digital is more efficient, does that mean that it draws less current from the outlet, or that it passes that extra bit of power to the bulb.
it would be a small amount we are talking, but a benefit none the less.
Yeah, they do have the 10% extra on most. They are also more efficient when it comes to heat. A magnetic ballast gives off more heat instead of energy for the bulb than a digital ballast.

Digital ballasts are so cheap now i'm surprised people are still using magnetic ballasts.
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  #4  
Old 05-04-2019, 12:36 AM
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so cheap for you my friend at whatever non-3rd world country your live in.
here in latin america we are lucky just to get a hold of a good ballast not talk about a cheap digital one! a "little" bit behind .
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  #5  
Old 05-04-2019, 02:20 PM
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for me the principal advantage of a digital ballast is the security

with magnetic can be dangerous and put the fire

i never use the +10% light button for me is just bulshit just good to pertube the light spectrum

i have a lumatek 600 switch 400 watt balast
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  #6  
Old 05-04-2019, 07:31 PM
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I doubt you will get a better spectrum from a digital ballast that's more bulb dependant I would think. The extra power might make a little difference but the bulbs might not last as long, not really a big deal in the USA as grow equipment is pretty damn cheap.

Basically digitals are a little better DE digital ballasts are even better, but a magnetic ballast should be just fine. Used to be all we had and I don't think the weed is really any better, just more people doing it.
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  #7  
Old 05-05-2019, 02:12 AM
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The digital supposedly has a soft start which lengthens life of the bulb

Also they are much quieter and stay cool with the internal fan in the unit

If I needed to heat my grow area I would use a magnetic

15+ years using both and I see no difference as I phased out magnetic cuz of the hot ballast

Hydro store was pushing the fact they lengthen bulb life but once I said I veg 24 hours on he pretty much said it didn’t matter

Also the spectrum of the bulb gets jacked up on the dimming ballast unless you only run it at 100%...I would NEVER dim my ballast
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Last edited by curious101; 05-05-2019 at 02:14 AM.
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  #8  
Old 05-06-2019, 02:56 PM
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The digital ballast supplies a more constant supply of power.... alternating current is just that, peaks and troughs. Digital can output a "square wave" that equates to more peak values and fewer trough values.

Our eyes dont perceive the fluctuations in the light, but they're there

That said, I use remote magnetic ballasts. Nothing beats getting the heat out, and a low initial cost
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  #9  
Old 06-10-2019, 11:36 AM
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Default Light fluctuations

Yeah thats true about the light fluctuations. Our eyes cant see it.
But when I used to take photos of plants under a 600w magnetic ballast,
the picture on the phones screen would have wavey lines running through it.
Now ive swapped and use a 315w cmh with Digital ballast and can take clean photos with the lights on.
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  #10  
Old 06-10-2019, 04:07 PM
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too bad cus ive already got this one
https://www.powercogollo.com/balastr...-clase-ii.html

its the only one around here who fits my budget...
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