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Old 01-22-2013, 05:33 PM   #1
jester56
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Interesting Inexpensive CO2 Rig


Just ran across this on Amazon. It actually looks like it is well build. The "need" for a needle valve is questionable. I think probably so.

http://www.amazon.com/Como-Aquarium-...m+co2+diffuser
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Old 01-22-2013, 06:50 PM   #2
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You'll find that it's not a true regulator. The working pressure will be about 800 PSI.

Last edited by hbosman; 01-22-2013 at 08:26 PM.. Reason: grammar
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Old 01-22-2013, 07:15 PM   #3
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I think it will be worth what it costs, perhaps a bit less.
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Old 01-22-2013, 07:49 PM   #4
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Quote:
Originally Posted by Hoppy View Post
I think it will be worth what it costs, perhaps a bit less.
Care to elaborate on that? From my highly inexperienced position, I'd be afraid to try using something like that because I feel it has a better chance of something going wrong than a proper regulator.
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Old 01-22-2013, 08:49 PM   #5
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I think he means it is worthless
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Old 01-22-2013, 11:34 PM   #6
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Yeah, I figured as much by looking at the gauge. Not very useful for aquariums...
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Old 01-23-2013, 12:40 AM   #7
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It may be a needle valve only, or it may be a crude regulator only, but you need both a regulator and a needle valve to make it work well. It costs less than $40, a bit more than a good needle valve costs, but far less than a needle valve plus regulator costs. I think it will work, but will need lots of attention every time it is turned on, to get the right bubble rate. And, it doesn't include a solenoid valve, so you can only manually turn it on and off. Therefore, it may be worth a bit less than what a needle valve alone costs.

Instead of looking for something like this, it is far more productive to look for a used regulator assembly, or for a used good quality regulator alone (then buy a needle valve and solenoid valve for it).
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Old 01-23-2013, 01:05 AM   #8
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I seen this before and no it's not that good. Here are some things to consider,

The stem is 20 mm, CGA 320 is 21 mm.
The stem should be flat, maybe they want you to use a bigger washer but I am not sure where you can find one like that. The UK/Asian market have the pointy stem, some system such as the early DICI (proud owner of one) over came this problem by having a built in washer that "flatten" the connection. I am not sure how safe or well this work as the regulator had a broken internally (raising working pressure), so be warn with non-standard equipment.

By the way, if anyone is wondering what shipping cost from China to North America for a NON distributor is, it's 100+ by UPS.

The best price/quality regulator right now is either the following:
1. Get lucky on a dual stage regulator on evil bay.
2. Aquatek Paintball regulator at 80 dollars.

By the way, you can get those oversea system with dual gauges and CGA 320 connection for 60 - 70 dollars, it's a risky buy though.
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Old 01-23-2013, 02:36 AM   #9
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Hoppy - right on. I agree wholeheartedly.

FHF - didn't notice stem difference. I have a "pointy" stem at the shop and it is useless, for all practical purposes. I do have an Aquatek "regular" regulator with needle gave on a 5lb tank. I am very happy with it. It's consistent and easy to work on, if need be...
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Old 01-23-2013, 02:43 AM   #10
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Tell me about it, I wish I went with a normal Co2 regulator as well. The DICI system I brought was nothing but trouble, the company was very professional though. Too bad shipping is outrageous (out of their control), it will cost almost the same as a new Aquatek if I wanted the parts.

The retailer I brought it from left me high and dry, but that another story.
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Old 01-23-2013, 03:22 AM   #11
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Just read the description on Amazon and pay some attention to how it's worded. There are no miracles - you get what you pay for.
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Old 01-23-2013, 04:28 AM   #12
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^ I got my crappy system local. The best kind of let down is the personal in your face kind. Nice and direct.
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