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-   -   Placement of Check Valves DIY CO2 (http://www.plantedtank.net/forums/showthread.php?t=197386)

P015 11-15-2012 04:57 AM

Placement of Check Valves DIY CO2
 
Hello guys, I had a question about where to place the check valves for DIY Co2. I am going to be using the schematic in this link below.

http://www.plantedtank.net/forums/sh...d.php?t=152916

The air lining in the 2 liters doesn't come into contact with the actual yeast/sugar mixture right? I read it is supposed to be a few inches above the actual liquid. (Please correct me if I am wrong)

This lining doesn't connect to the tank straight, so do I need the check valves between the 2 liters and the separator bottle or can I just place one between the separator bottle and the lining into the tank?
(The lining doesn't directly connect to the 2 liters, so I was wondering why are those check valves needed? Wouldn't I just need a valve between the separator bottle and tank to prevent siphoning of tank water into the bottle?

Thanks for the help guys!

Darkblade48 11-15-2012 06:15 AM

Quote:

Originally Posted by P015 (Post 2079207)
The air lining in the 2 liters doesn't come into contact with the actual yeast/sugar mixture right? I read it is supposed to be a few inches above the actual liquid. (Please correct me if I am wrong)

You are correct.

Quote:

Originally Posted by P015 (Post 2079207)
This lining doesn't connect to the tank straight, so do I need the check valves between the 2 liters and the separator bottle or can I just place one between the separator bottle and the lining into the tank?

I used to only use one check valve (between the aquarium and the separator bottle).

Hope this helps,

Barbgirl 11-15-2012 01:31 PM

I personally use check valves between every bottle including between both yeast bottles, yeast bottles and drop checker, drop checker and tank.

The reason I do is that I alternate bottles that I change; bottle #1 this week and #2 next week to keep a more steady flow of CO2. When changing the bottles I don't want to lose the pressure that had already built up (takes too freaking long) and the check valves prevent any loss.

In short: Check valves prevent pressure loss.

Sent from my MB865 using Tapatalk 2

Bandit1200 11-16-2012 03:46 AM

Quote:

Originally Posted by Barbgirl (Post 2079403)
I personally use check valves between every bottle including between both yeast bottles, yeast bottles and drop checker, drop checker and tank.

The reason I do is that I alternate bottles that I change; bottle #1 this week and #2 next week to keep a more steady flow of CO2. When changing the bottles I don't want to lose the pressure that had already built up (takes too freaking long) and the check valves prevent any loss.

In short: Check valves prevent pressure loss.

Sent from my MB865 using Tapatalk 2


+1 to this. This is how I ran mine before I went pressurized. This way your system continues to bubble instead of having to wait for the entire thing to get up to speed.


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