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New to pressurised CO2 - ready to purchase

Phlash

Member
Joined
13 Dec 2013
Messages
33
Location
Nottingham, UK
Hi everyone, (first post, please be kind :) )

I have been keeping and breeding fish for too long now, and have used yeast based CO2 to help some plant growth. (mostly to help the fish be comfortable and keep algae at bay) I am finding the yeast system inconsistent and I think this is causing some algae problems.
I am ready to invest in a pressurised system for a modest tank and challenge myself to a proper planted aquascape.

The tank is a Juwel Lido 120, with 2 x 24W T5 tubes.
I am likely to replace this in 12-18 months with a custom built 160L tank. I intend to use pressurised CO2, EI ferts and liquid CO2 as a supplement.

I have been reading *lots* of entries on the site, and am convinced I should go for a refillable system rather than disposable. I am currently trying to find a source for a suitable CO2 cylinder in Nottingham.
I would like the system to fit in the cabinet beneath the tank so size is an issue. If anyone can help, please shout! It could yet end up being a fire extinguisher, but there do seem to be other sizes of cylinder available (non FEs).

So my first question is about regulator/solenoid combo.
Has anyone used these :- Aquarium CO2 Dual Stage Regulator and Solenoid Magnetic Valve | CO2Art.co.uk - CO2 Aquarium Specialists
This is a dual stage and dual gauge regulator. I am hoping this will be precise and consistent, and avoid the risk of EOTD.
If this is not recommended, are the other CO2Art regulators OK?

Many thanks for reading through, what will probably be the first of many posts, and for your advice,
Phil.
 

stu_

Member
Joined
9 Nov 2011
Messages
554
Location
Gloucester
Hi, welcome to the forum
not used any CO2 Art kit, so can't help there.
Size wise, this is my Lido 120 cabinet with a FE and a TetraTec EX1200

10443391115_af55c64b16_b.jpg
 

sa80mark

Member
Joined
2 Oct 2007
Messages
859
Location
Leicester
Thats an interesting find and amazingly cheap for a 2 stage reg I would send them an email and ask for more details as that price is far to low for 2 stage

The only thing I can offer in way of advice is thay co2 art are simply brilliant and I have experience with there solinoid which is one of the best on the market imo
 

sa80mark

Member
Joined
2 Oct 2007
Messages
859
Location
Leicester
They vary quite a bit depending on brand but around £175 is the norm and then you need to add on for solenoid etc so could easily push £300 if everything was bought new

My boc im going to be building will work out around £190
 

Phlash

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Thread starter
Joined
13 Dec 2013
Messages
33
Location
Nottingham, UK
Sa80mark,

This is an extract from the FAQ section for that product :
Q: In regards to SKU: reg-005, is this a Dual Stage regulator and not just a dual gauged regulator. i.e to stop 'end of tank dump' Thanks,

A: This regulator is dual stage as well as dual gauge, you can regulate working pressure in this from 0-5bar.


This suggests to me that there is no mistake, this has been described consciously us a dual stage reg.
I will try and call them tomorrow.
Phil.
 

sa80mark

Member
Joined
2 Oct 2007
Messages
859
Location
Leicester
If it really is 2 stage and is a proper spring regulated diaphragm then it truly is the bargin of the century
 

Phlash

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Thread starter
Joined
13 Dec 2013
Messages
33
Location
Nottingham, UK
An update,
So overnight the site got updated to show an original price of £ 199 for this reg, and that it's on sale at £ 56.95.
I phoned earlier, and spoke to someone. He confirms that it is truly a dual stage reg and is very precise and controllable.
They have kept the prices very low to get known in the market and make a customer base.

I haven't yet heard of any negative comments about CO2Art, so I have ordered one plus tubing, drop checker, bubble counter etc.
Now, i just need to get me some CO2.
I will of course, let you all know how it goes.
Phil.
 

Rob P

Member
Joined
13 Oct 2013
Messages
785
Can't rate CO2 Art highly enough for price and service. Everytime i've needed something sharpish i've ordered it, bit my nails a bit, but it's arrived the next day without fail ;)

I see they've also recently listed a new full system using a paintball cyclinder which looks cool and neat and very competetively priced, ideal for smaller applications.

Also noticed the adjustable pressure guages at £57. I've been using the standard £40 dual guage reg with solenoid unit for a couple of months now and it's been very good and reliable.

Question re EOTD, how can this be a problem even with the standard guages/reg as even if there was a potential dump at end of cylinder, if your needle valve is set to a certain setting how would excess gas purge through this? Would it not be controlled by needle valve setting right to the end of cyclinder life? Newb/curious question :)
 

ian_m

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UKAPS Team
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25 Jan 2012
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5,249
Location
Eastleigh
Question re EOTD, how can this be a problem even with the standard guages/reg as even if there was a potential dump at end of cylinder, if your needle valve is set to a certain setting how would excess gas purge through this? Would it not be controlled by needle valve setting right to the end of cyclinder life? Newb/curious question
I am not sure end of tank dump is much of a problem with "better quality" regulators. Mine was from CO2 supermarket.

My fire extinguisher ran out on Friday. Noticed just after solenoid turn on, bottle pressure was about 500psi, and bubble rate was below what it should have been, but no time to change it (out Xmas shopping).

Got round to changing it a day or two later, bottle pressure 400psi, and quite slow bubble rate, no sign of end of tank dump. Blue to slight green drop checker. Swapped in new FE, pressure 800psi and bubble rate back to my 1-2bps for 180litre tank, and drop checker green (going yellow) at lights on.
 

Phlash

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Thread starter
Joined
13 Dec 2013
Messages
33
Location
Nottingham, UK
Rob,

I am a newbie as well. Many people have single stage regs and never see eotd.
I may not have either, but for such a modest increase in cost, I was happy to pay this to reduce the chance.

I have now found a (very) local source of CO2 bottle and refills. I am going on Friday to pick one up (Not an FE, a 3.1kg bottle).

Co2art have confirmed my bits are on the way too, so fingers crossed, I will be up and running for the weekend.
This is perfect, as I am working from home next week, and then we have Christmas.
I will be able to keep a close eye on things for 2 weeks. :)

Phil.
 

Rob P

Member
Joined
13 Oct 2013
Messages
785
TBH if they'd had the better reg at that price when I bought it would have been a no brainer!! :)

You'll have lots of close watching to do, but it's very eye opening and rewarding. It's cost me a couple of fish along the way as i've got improved dissolution and not adjusted correctly to suit :( but I think i'm doing good now :)

PH pen next thing on the list ;) lol
 

Andy Thurston

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Joined
16 Apr 2013
Messages
2,802
I am not sure end of tank dump is much of a problem with "better quality" regulators. Mine was from CO2 supermarket.

My fire extinguisher ran out on Friday. Noticed just after solenoid turn on, bottle pressure was about 500psi, and bubble rate was below what it should have been, but no time to change it (out Xmas shopping).

Got round to changing it a day or two later, bottle pressure 400psi, and quite slow bubble rate, no sign of end of tank dump. Blue to slight green drop checker. Swapped in new FE, pressure 800psi and bubble rate back to my 1-2bps for 180litre tank, and drop checker green (going yellow) at lights on.

You wont get eotd if you change it at 400psi. If bubble rate is dropping before fe contents pressure is getting close to the service pressure it proves that either the reg or needle valve is pants. A good 2stage will deliver constant pressure until the fe contents pressure is less than the service pressure.
 

Phlash

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Thread starter
Joined
13 Dec 2013
Messages
33
Location
Nottingham, UK
So, the equipment has arrived. A few photos below so you can have a good look.

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A quick question on the bubble counter if I may.
It has a small black rubber washer rattling inside. I can't seen what good this does.
Am I right to think that this comes out and goes between the counter and the needle valve to help form a gas tight seal?

I have picked up my CO2 bottle, so hope to get this all up and running tomorrow. :)

Thanks, Phil.
 

harryH

Member
Joined
18 Oct 2013
Messages
338
I bought the dual guage single stage reg. form CO2 art along with a bubble counter (which also had a little black bit rattling around in the packet and turned out to be a plug off the back of the rubber sucker!) I bought CO2 resistant tubing and a Bazooka diffuser.

CO2Art are excellent people to deal with and their prices appear spot on. Highly recommended.
 

MikeJojo

Member
Joined
17 Oct 2013
Messages
78
I just bought dual stage regulator from co2art as well. I went for regulator with needle valve only as I have solenoid already. I also bought 2kg FE. Can't wait to receive them. Hopefully both will arrive tomorrow as my disposable bottle running low now. BTW dual stage regulator with needle valve is on sale now for just under £52 on ebay.


Sent from my iPhone using Tapatalk
 

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