Posted: Sat Nov 09, 2013 11:16 am Post subject: experts help needed on Co2 setup bit Urgent.
I am Arun from chennai. New to planted tanks, need your advise on co2 setup.
I have 2kg co2 used fire extinguisher without diptube removed(planning to get it removed once the cylinder gets empty)
the link for images of the entire setup
anything wrong with the equipments?
The regulator(dual stage dual gauge) get droplets outside (due to co2 temperature may be) is it normal?
The solenoid valve (230v Ac solenoid) gets overheated is it normal?
The needle valve is it ok to use this?
I get a hissing sound for long time(it doesnt stop) is it due to leak or is it normal? if leak, how to check it with electrical solenoid valve since soap bubble cannot be used, any other way?
what is the pressure level to set in regulator? i can never set it to 1 or 2 BPS. if i set it it drops to nothing within minutes.
I am stuck up for more than a month with this setup. also have broken a tank with high pressure co2 busting the bubble valve intern the tank bottom (would not happen normally but my bad luck), lost most of my plants interim.
Please help me with this any help is highly appreciated.
Joined: Jun 19, 2012 Posts: 336 Location: Rajasthan
Posted: Sat Nov 09, 2013 1:29 pm Post subject: Re: experts help needed on Co2 setup bit Urgent.
Though I am not an expert to give suggestion regarding pressurized Co2 setup I thought I will chip in with my comments as I was in your shoes almost 2 months back, with cylinder and regulator and needle valve I was like a kid with a new toy who didn't knew how to play with that new toy. So I started reading the articles written by veterans in this forums and also I grabbed as much as info available on the net regarding setting up DIY pressured CO2 with fire extinguishers.
Now coming back your query
With the pictures you provided things looks ok as I could see a good regulator with needle valve and Solenoid ( may be our experts can find things I missed out)
Droplets is suspicious as it makes me believe its dumping liquid co2( I might be wrong here, it can be moisture also), again expert can confirm it
Continuous hissing sound is surely a reason to worry as I found hissing sound comes only when you open the valve of cylinder/regulator and it last for a few seconds only, so this continuous hissing sound makes me think it can be due to leaks for sure
For pressure levels let me give you this wonderful article series written by Trevor sir and the link is here to start.
Also another link which helped me form the web is here
Me too finds fiddling with needle valve to get the right BPS most of the time but with solenoid valve I read its always set and forget way but I am get yet to get a Solenoid so I cant comment on that part
Seeing your post made me recall the trouble I took to setup mine so I wrote this replay but I am sure many experienced people are here who can pinpoint exactly whats wrong with your setup, they will be chipping in soon
I am keeping a watch on this thread as it will help me too
Joined: May 17, 2013 Posts: 241 Location: Bangalore
Posted: Sat Nov 09, 2013 9:20 pm Post subject: Re: experts help needed on Co2 setup bit Urgent.
Since the tube in the cylinder is not removed, liquid form of CO2 is entering your plumbing. The place which is acting as expansion valve (like, in refrigerator), it is cooling the place down causing water condensation around the area. This variation in temp of pipes could be causing needle valve float.
Solenoid gets heated up and it is normal.
You seems to have done good plumbing and i actually do not suspect there is a leak unless you feel so. Hissing sound could be from diffuser or so?
Posted: Sat Nov 09, 2013 10:04 pm Post subject: Re: experts help needed on Co2 setup bit Urgent.
Thanks a ton for taking time to explain me things. I do did reading before starting but always when it comes to practical, things are different. I have learned it the hard way. thanks for sharing some good articles I suspect leak between regulator and solenoid will do the plumbing again and check. I have not connected the setup with a diffuser just immersed the tube in a tub to see the bubbles (as i don't want to do anything wrong to my tank again) once i am sure of the setup then iam planning to connect it to a bubble counter and diffuser.
once again i have not seen any needle valve like mine is it ok to use it?
also i think the co2 might last for atleast 2-3 months is it ok to use it with the diptube till that time?
i also think the droplet is due to moisture or condensation but the entire regulator is chill when touching is it normal and ok to use?
can anyone share the regulator pressure reading picture to have a rough idea of the pressure setting.
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