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chou 04-23-2013 07:23 AM

How to use solenoid for co2 tank?
I don't want to turn on/off the co2 manually anymore. I'd rather have it set to the timer like the lights. I just want instructions on how to set up and have it producing 1-2 BPS and then shutting off at the correct times.

vnghost 04-23-2013 07:27 AM

How to use solenoid for co2 tank?
Put the solenoid between the regulator and needle valve, plug into timer.

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WheeledGoat 04-23-2013 07:39 AM

I found this Reef Fanatic solenoid at Aquacave to be the right combination of convenience and price. Careful, some solenoids (Burket.. Burkit?) will require some moderately technical assembly of the power cord. The Reef Fanatic one comes fully assembled and even has a LED indicator to let you know when it's on and co2 is flowing.

I also like , but it took returning my first package to get ones that worked. I think quality control is lacking, plenty of others have the same story of DOA units... but now that I have working ones, I love 'em. They're small & unobtrusive, fit in a power strip, are set digitally for accuracy, and keep their time when the power goes out.

chou 04-23-2013 07:42 AM

this was what i was going to get for my paintball setup. any thoughts?
will be for my 20g tall

WheeledGoat 04-23-2013 07:50 AM

There are some on this board that will be able to immediately identify that needle valve. Right now I can't remember the manufacturer, but I do remember several people saying that it's not quite as precise as you'd want (to be able to dial in a specific bubbles-per-second). If I remember correctly, "walking" was also a concern with that needle valve.

But if cash is tight, might not be a bad way to go to get started. $90 for a solenoid + regulator might be about fair, even if you wind up replacing the needle valve.

chou 04-23-2013 07:54 AM

what do you mean by "walking" being a concern for this needle valve? yea cash is tight and i thought it was a good option

D-Linquent 04-23-2013 12:04 PM

I think walking is when the bubble rate is unstable. It will change over time, and you will have to regularly manually reset it.

PlantedTankRookie 04-23-2013 12:24 PM

Another timer option: Tripp Lite TLP74TG Eco Surge Protector Green Timer Controlled 7 Outlet 4ft Cord .

I've been using this one for a couple of months and I'm very happy with it. I use one bank for lighting and the other for the CO2 solenoid.
CO2 on at 4am, lights on at 6am, both off at 8am. CO2 on at 3pm, lights on at 5pm, both off at 7pm. Works great and reasonably priced.

WheeledGoat 04-23-2013 01:02 PM

yeah, walking is when it doesn't hold it setting, sorry. it's especially exacerbated on a cheap valve by the sudden changes in pressure by the solenoid turning on and off.

but again, I have no experience with that model, just regurgitating what I've read elsewhere.

chou 04-23-2013 06:50 PM

thank you very much for the info. has anyone ever used this model before? any help with do before purchase!

D-Linquent 04-24-2013 11:59 AM

I haven't used that model. I have only used the burkert. If you choose the burkert from, they will install the cord for you for $10ish, or there is a diy on this forum or on barr report that shows you how to install it. From what I have read that is a great solenoid. I haven't had any problems, and I don't think it's much more than the one you are looking at. Good luck!

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