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Old 05-01-2007, 03:35 PM   #21 (permalink)
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Default Re: aquariumplants.com co2 regulator

AquariumPlants.com hasn't answered the email letter that I sent them 9 days ago about my problem. Now, the solenoid will not cut off as well as the low pressure gauge isn't working.
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Old 05-01-2007, 06:22 PM   #22 (permalink)
 
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Default Re: aquariumplants.com co2 regulator

I just set mine up, and besides me being an idiot it works great! might just got a lemon.
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Old 05-02-2007, 10:34 AM   #23 (permalink)
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Default Re: aquariumplants.com co2 regulator

Well the bubble rate seems to return to where I set it if I leave it alone. At this point I think mine is going to be ok.
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Old 05-02-2007, 10:57 AM   #24 (permalink)
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Default Re: aquariumplants.com co2 regulator

I bought two cylinders and regulators from them. They take SOME fidgeting around with before you get a consistent bubble rate. Otherwise, they both work like a charm for me!

Don't mean to "rub it in," or anything. It took about two weeks on my first one to get a consistent bubble rate, but I chalked that up to my own inexperience! You'll get it! Promise!
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Old 05-02-2007, 07:13 PM   #25 (permalink)
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Default Re: aquariumplants.com co2 regulator

Quote:
Originally Posted by DonaldmBoyer View Post
I bought two cylinders and regulators from them. They take SOME fidgeting around with before you get a consistent bubble rate. Otherwise, they both work like a charm for me!

Don't mean to "rub it in," or anything. It took about two weeks on my first one to get a consistent bubble rate, but I chalked that up to my own inexperience! You'll get it! Promise!

What do you have your regulator set at?
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Old 05-02-2007, 07:17 PM   #26 (permalink)
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Default Re: aquariumplants.com co2 regulator

Dude.....I'm at work!

Actually, I found it easier to turn the main all the way in, and adjust the bubble rate using the needle valve on the "right." You may have to still "toy" with it a bit, but it does make it easier.

If you need more info, I'll have to write you back tomorrow when I'm at home. I hope this helps you, though!
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Old 05-02-2007, 08:23 PM   #27 (permalink)
 
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Default Re: aquariumplants.com co2 regulator

Quote:
Originally Posted by DonaldmBoyer View Post
Dude.....I'm at work!

Actually, I found it easier to turn the main all the way in, and adjust the bubble rate using the needle valve on the "right." You may have to still "toy" with it a bit, but it does make it easier.

If you need more info, I'll have to write you back tomorrow when I'm at home. I hope this helps you, though!
If you have the low pressure adjustment all the way in then the low side pressure is around 30-60 psi depending on the regulator.

You are supposed to adjust the flow rate with the needle valve. That's what they are there for. Trying to adjust it any other way doesn't make sense at all.
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Old 05-02-2007, 08:49 PM   #28 (permalink)
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Default Re: aquariumplants.com co2 regulator

Yes, Rex....I agree with you. However, the directions from Aquariumplants isn't very clear on that. Leaves you thinking that you are only supposed to turn the high pressure know enough to start getting bubbles in the counter. I had to learn from experience to turn the high pressure know all the way in, and use the needle valve to regulate the amount of CO2.....I'm thinking that he may be confused from the directions as I was.
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Old 05-02-2007, 09:26 PM   #29 (permalink)
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Default Re: aquariumplants.com co2 regulator

Temp swings can cause some variance in the PSI in your tank, though usually not in that particular stage of the regulator.

Quote:
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I have it and I am not really happy with it. The low pressure gauge only goes to 15 psi. The directions say to set it at 10 psi. The bubble rate is inconsistant at that low setting. I had to hook it up to a pH controller to get decent control over it. The other day, for some crazy reason, the low pressure gauge maxed out at past 15 psi for some crazy reason. I adjusted it back up to ~ 11 psi. The next day, the gauge was reading 0 psi but it still had the same bubble count as with the setting of 11 psi. I don't know what's wrong with the low pressure gauge but anyway, it's still working. I'm glad that it has a 3 year bumper to bumper warranty.

Here's the post where some different regulators were mentioned. You'll find this same comment as well as others from me and other people: http://www.plantedtank.net/forums/eq...ould-work.html
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Old 05-02-2007, 10:11 PM   #30 (permalink)
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Default Re: aquariumplants.com co2 regulator

Pony--

How are you injecting the CO2 into your tank....?? Do you have the line directly in the tank, a diffuser, or some other way? You could be experiencing water creeping into your CO2 line at night when the solenoid shuts off, which could explain the varying flow rate of your CO2 from day to day, especially in the mornings as the CO2 has to build up enough pressure in the line to force the water back out. This can even happen WITH a check valve sometimes. You might want to see if you are experiencing that. Just a thought.
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