What do you guys think of Harris vs Miller Smith regulators? Both new open box. The Miller Smith is almost twice the price but will make an offer for about 20% less. Also looking at 2 used Mathesons and a used Concoa. I originally bought a used Victor but it has an internal leak. The seller was gracious enough to refund me. I've learned to look for "tested" or ask them if it was.
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Super custom bulletproof rockstar CO2 regulators!!
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Nevermind. The Harris is listed as a dual stage but looks to be a single stage by model number and doesn't have the larger back like a dual stage.
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Message Alen Le. He can make you a more budget friendly build.
@Danbest82, check your matheson flowmeter pm over TPT, there is a good condition regulator you can take a look.
Resource Thread 'Alan Le’s regulator builds'
Hey guys! I few people have asked me to post my regulator builds. These are custom dual stage co2 regulators that I built.
I've check out the build thread. Thanks! I have most of the parts I need but the regulator I bought had an internal leak. I bought the Miller Smith.Resource Thread 'Alan Le’s regulator builds'
Hey guys! I few people have asked me to post my regulator builds. These are custom dual stage co2 regulators that I built.
@Danbest82 , make sure you connect the 10-32 fittings with washer, most clippard 10-32 fittings come with rubber washers. if there is no original washer, you can use loctite 222(purple) on the threads or cut small piece of milk jug bottle to make some good washers, don't use teflon tape on 10-32 fittings.
connect the solenoid to the Matheson flow meter with 10-32 fittings/adapters and get the industrial grade polyurethane hose(250psi working pressure) to connect the regulator to the solenoid.
connect the solenoid to the Matheson flow meter with 10-32 fittings/adapters and get the industrial grade polyurethane hose(250psi working pressure) to connect the regulator to the solenoid.
Good to know about the Teflon tape as that is what I tried to use. I have access to washers and o-rings at work, I'll see if any are thin enough. Putting the flow meter before the solenoid will actually help me since I'm having issues finding fittings to fit the flow meter connections and use the co2 tubing I have. I can now use the ones that came with it and have metal tubing until using co2 tubing from the flow meter to the solenoid out to the aquarium.
I bought co2-art tubing but I also have tygon tubing that I bought for airlines a while back.
For those looking "CONCOA 4122301-84-590 DUAL STAGE PRESSURE REGULATOR" on the Bay. Seller has 3. Says they're new. Sent me an 8% off offer. They may take lower.
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We can post eBay links here? Thats nice! I got in trouble elsewhere for it though I didn't see it in the rules. I get that some places don't allow it and it's fine with me. Good to know for here though.
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We encourage links to any information that is to the benefit of a conversation, or the general edification of our readers here 
Scapecrunch.com is a publicly owned 501(c)3 charity, so we get to choose our own rules
We only limit spam posting of personal sales and businesses, politics etc 
Scapecrunch.com is a publicly owned 501(c)3 charity, so we get to choose our own rules
We only limit spam posting of personal sales and businesses, politics etc 
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JayP
Valuable Member
Yeah...projects. I'll get them built one of these days.
Looks similar to my workbench but mine has tablet parts to repair my daughter's iPad some day.
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I’m finding it impossible to find a decent needle valve for a sane price here in Australia. Very jealous of you guys in the US, your ebay seems to have lots of choices, but the postage costs as much as the valves to ship here.
you get all parts ready? If you are, I think you've passed the most difficult stage of the high end co2 system DIY,
.It will take only one or two hours to put together a complete set, testing may take several days though, if something wrong need more hours working on it but looks like you've prepared for a quality build.
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This is my answer to another fellow hobbyist about looking for the parts for high end co2 regulator.
" The custom build/DIY Co2 system was popular back in early days of the planted tank hobby, especially in the early years of 2010. I help fellow hobbyists to identify what to get to build high end CO2 system using industrial/lab/aero grade high precision parts, there were abundant of good price such liquidated/used equipment on the market/ebay due to economy down time and manufacture production shifting to China back then.
Now it is hard to find the high precision good parts at affordable price, but occasionally one or two good price metering valves or regulators pop up on ebay due to seller miss identification. If you want to DIY a set, I can show you what to get, but you must have the knowledge and tools to put together the components, and prepare to spend the budget at least $200 for a brass/chrome brass or $300 for a full stainless steel co2 system.
........................."
back in 2010-2014, there were good price parts in Australia and UK too, international shipping add up the cost but is about $25 for a 6 ounce Swagelok high precision metering valve, it is just plain difficult to find affordable parts on ebay now a day.
JayP
Valuable Member
Oh yeah, I've had everything I need since I last talked to you, so at least several months. Other projects just had priority since these are going to tanks I haven't started on yet. I'll probably get flow meters to use with these.you get all parts ready? If you are, I think you've passed the most difficult stage of the high end co2 system DIY,
