which CO2 regulator would u buy???
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Old 04-18-2013, 06:47 PM   #1
dkreef
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which CO2 regulator would u buy???


im lookin at used ones and both in good condition. one is GLA regulator and other is from aquariumplants.com carbon doser.
http://www.aquariumplants.com/Carbon...ator_p/co2.htm

GLA one is older model so not in current model.

anyway which ones better?
GLA one comes with milwaukie ph controller also but its $50 more.
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Old 04-18-2013, 07:37 PM   #2
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I believe some users deconstructed the Aquariumplants.com electronic CO2 regulator setup previously, and it was found to just contain a solenoid that turned on/off to control the CO2 flow.

If you are unwilling to build your own setup, you can consider the GLA setup. There are also many users on this forum that sell setups, so be sure to shop around.

I would not worry too much about "older" regulator models, since they all work with the same principle in mind. I have used regulators that were (most likely) built in the 70s or 80s and they still worked fine.
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Old 04-19-2013, 02:13 AM   #3
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Quote:
Originally Posted by Darkblade48 View Post
I believe some users deconstructed the Aquariumplants.com electronic CO2 regulator setup previously, and it was found to just contain a solenoid that turned on/off to control the CO2 flow.

If you are unwilling to build your own setup, you can consider the GLA setup. There are also many users on this forum that sell setups, so be sure to shop around.

I would not worry too much about "older" regulator models, since they all work with the same principle in mind. I have used regulators that were (most likely) built in the 70s or 80s and they still worked fine.
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below is the reply to a member in my local forum

Quote:
Originally Posted by Leon Garden
This electronic control does not depend on pressure on both sides of the valve and should eliminate the worry that when the CO2 tank goes empty it will dump the last gas onto the tank quickly. It's sort of expensive -- but so are my fish.

Leon.
not really.

it is the clippard mouse solenoid inside, click once to let out the bubble(flow), 4 bubbles means click 4 times, and 1 bubble per 10 seconds means click once every 10 second.
every time it clicks, the on/off respond time is the same, and with the fixed orifice, the actual flow volume of each click varies depends on the pressure differential.

higher pressure differential(higher regulator output pressure), flow volume of each click is higher, but since the co2 flow "rush" with each click at the set interval, you can't tell the actual co2 injection is actually more, what you see is that instantaneous "rush" which interpreted as a standard volume unit over time.
If I put it this way, may be easier to understand, The electronic system is pretty much like this: under normal pressure differential(set regulator output pressure) is 1 bubble per second, and higher pressure differential(regulator higher output pressure when co2 tank pressure dropping) still be 1 bubble per second, but the second bubble is larger, bubble.
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Old 04-19-2013, 03:17 AM   #4
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Which solenoid is on the gla regulator? That would be the deal breaker for me.
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Old 04-19-2013, 03:38 AM   #5
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Which solenoid is on the gla regulator? That would be the deal breaker for me.
it looks like the 7 watts economy version from Peter Paul(parker hannifin).
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Old 04-19-2013, 03:50 AM   #6
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it looks like the 7 watts economy version from Peter Paul(parker hannifin).
Eh - he said it's older. It could be a clippard or a burkert too. For what it's worth, that peter-paul solenoid is pretty nice. it doesn't get any hotter than the burkert...


If the solenoid body is silver, I'd pass. Black or brass, go for it. (for the gla)
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Old 04-19-2013, 04:00 AM   #7
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Quote:
Originally Posted by oldpunk78 View Post
Eh - he said it's older. It could be a clippard or a burkert too. For what it's worth, that peter-paul solenoid is pretty nice. it doesn't get any hotter than the burkert...

If the solenoid body is silver, I'd pass. Black or brass, go for it. (for the gla)
I am sure the old custom model came with clippard maximatic solenoid, but current model,
the solenoid is not burkert, cost more and doesn't look like it, not clippard maximatic either, the valve design is bad for 8+ hours continuously on.
and if it is the economy version of Peter Paul, don't forget is 7 watts, expect hot and burn short its life.
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Old 04-19-2013, 06:20 AM   #8
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well i picked up the GLA regulator along with other whole co2 system.
solenoid is black and has bubble counter in brass..
looks good to me...
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Old 04-19-2013, 07:14 AM   #9
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Quote:
Originally Posted by dkreef View Post
well i picked up the GLA regulator along with other whole co2 system.
solenoid is black and has bubble counter in brass..
looks good to me...
If it is possible, can you please measure the wattage on the solenoid? a Kill-a-watt meter should do the trick.

Picture is the Peter Paul(Parker Hannifin) 15 series general purpose solenoid, 7 watts(AC — 7.0 Watts, DC — 10.5 Watts), even more than the clippard maximatic 6 watts...
http://peterpaul.com/valves/2-way-no...-15-model-152/
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