Recommendations for a CO2 solenoid without a tank connection. - The Planted Tank Forum
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post #1 of 7 (permalink) Old 06-27-2020, 12:59 AM Thread Starter
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Recommendations for a CO2 solenoid without a tank connection.

I'm looking for an inexpensive CO2 solenoid that doesn't have a tank mount that I can use separately from the tank. My current CO2 has a two outlet manifold, so I need something that I can run the CO2 tubing from the manifold to the solenoid, a bubble counter, and a diffuser. I could get another carbondoser counter, but I don't want to spend $300 on one. This is going to go on my 40B that I'm setting up. I'm going with a simpler set-up, so I don't want to spend big bucks on CO2 for a few plants. Any recommendations?

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post #2 of 7 (permalink) Old 06-27-2020, 01:25 AM
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Clippard mouse solenoid is perfect for that use. Small enough to run inline if you get the inline mounted one. Pick your voltage and run it with a dc plug in power supply. Model EV-2-(voltage). Is a 2 way normally closed inline solenoid. For example the 12 volt one is EV-2-12. Only weird thing is the 10/32 threads on the ports.
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post #3 of 7 (permalink) Old 06-27-2020, 04:52 AM
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Quote:
Originally Posted by bigtrout View Post
Clippard mouse solenoid is perfect for that use. Small enough to run inline if you get the inline mounted one. Pick your voltage and run it with a dc plug in power supply. Model EV-2-(voltage). Is a 2 way normally closed inline solenoid. For example the 12 volt one is EV-2-12. Only weird thing is the 10/32 threads on the ports.
a couple 1/8 ID hose barb to 10-32 adapters will make it works.



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post #4 of 7 (permalink) Old 06-29-2020, 02:04 AM Thread Starter
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Quote:
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Clippard mouse solenoid is perfect for that use. Small enough to run inline if you get the inline mounted one. Pick your voltage and run it with a dc plug in power supply. Model EV-2-(voltage). Is a 2 way normally closed inline solenoid. For example the 12 volt one is EV-2-12. Only weird thing is the 10/32 threads on the ports.
Thaks this may be what I'm looking for. Any idea what the difference is between the EV-2 and the EV-3. There's an EV-3 on eekbay for $13.

https://www.ebay.com/i/383581192414?...RoC7qAQAvD_BwE

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Last edited by butchblack; 06-29-2020 at 02:07 AM. Reason: added info
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post #5 of 7 (permalink) Old 06-30-2020, 03:45 AM
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You want the ev-2...its only a 2 way valve.
The ev-3 is a 3 way valve meaning when its powered on gas take one path, powered off gas takes another and since its not fully ported it vents to atmosphere when the valve is off.

Now if you had diy yeast co2 with bottles that would build pressure overnite, a 3 way would come in handy to vent the bottles if you wanted to stop co2 at night.
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Last edited by bigtrout; 06-30-2020 at 06:03 PM.
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post #6 of 7 (permalink) Old 07-01-2020, 04:10 AM Thread Starter
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You want the ev-2...its only a 2 way valve.
The ev-3 is a 3 way valve meaning when its powered on gas take one path, powered off gas takes another and since its not fully ported it vents to atmosphere when the valve is off.

Now if you had diy yeast co2 with bottles that would build pressure overnite, a 3 way would come in handy to vent the bottles if you wanted to stop co2 at night.
Fingers crossed. I just ordered a unit from Amazon. I try not to use them for political reasons, but a good friend of mine just co-authored a book that just became available on Amazon, and I needed $10 more to get free shipping. I went with this as it was 110V AC saving my having to wire up to a wall wart.

https://www.amazon.com/gp/product/B085G1NFSR/

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post #7 of 7 (permalink) Old 07-01-2020, 06:32 PM
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