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Old 12-07-2008, 05:34 PM   #21 (permalink)
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Default Re: When is it time to refill CO2?

Here is an excellent Victor VTS-450D dual stage Oxygen regulator for $65. You can convert it to CO2 use by just swapping the oxygen fitting for a CGA-320 nut and fitting for a few dollars. This is like the king of dual stage regulators. But, you can't convert it back to an oxygen regulator because you want oxygen purity.
http://cgi.ebay.com/ws/eBayISAPI.dll...m=200284795080

Here is what Captain Hooked said about his: From: http://www.plantedtank.net/forums/eq...tml#post715229
Quote:
Originally Posted by Captain Hooked View Post
I received the parts and finally set up my 450 series the other day, and all I can say to those who are debating buying a Victor is:

You cannot fully appreciate the quality of a Victor until you hold one in your hand and hook it up for use. They are built like nothing else. The expression "gorilla with silk gloves" comes to mind. Are they overkill for aquarium use? Yes, but that isn't the point when you can score a used Victor for about the price of a new (inferior) regulator. Buy them cheap and never look back.

Granted, the 450 is a gigantic beast (nearly twice the size of the 250's) and makes the 250's look more like the better choice for this hobby; still, I could not pass up this beauty at less than the selling price of most 250's. It's nice to know I bought something that will perform for many years and hold it's full value if I ever decide to part with it. There aren't many things I can say that about.

I need a number, and since the chronology is off in that respect- I would like to request the future number of "13", if I may. Left- is that cool with you? :icon_ques
From: http://www.plantedtank.net/forums/eq...tml#post731301
Quote:
Originally Posted by Captain Hooked View Post
Here's my 450D reg (which is getting a new cga' inlet) next to an Aqua Medic. I think the 'Medic has gauge envy....:redface:



From: http://www.plantedtank.net/forums/eq...tml#post731322
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Originally Posted by bsmith782 View Post
Wow I had no idea that regular regulators were that tiny.
From: http://www.plantedtank.net/forums/eq...tml#post731395
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Originally Posted by fordtrannyman View Post
Your right! I did get a kick out of seein' that. LMAO
That Aqua Medic is just a toy!
From: http://www.plantedtank.net/forums/eq...tml#post731610
Quote:
Originally Posted by Captain Hooked View Post
I laughed the whole time I was taking those pics- could barely hold the camera steady.

All joking aside, the "little guy" has its place. I'm about to use it on a small alum cylinder for a small tank in a small cabinet- one which the Victor could never fit into. Also, the Victor would topple such a small, lightweight cylinder.

I say if you want to buy a regulator that you can get 100% of your investment back out if, one that will squeeze the last bit of CO2 from any cylinder, one that will hold pressure like a vice, and you don't require it to fit into a shoe box- buy a dual stage Victor.
You can check the rest of the thread by following the link that Squawkbert mentioned. From Post #19: http://www.aquaticplantcentral.com/f...ill-co2-2.html
Quote:
Originally Posted by Squawkbert View Post
If you're shopping for a new regulator, single or dual stage will make a difference in price - not huge, but there will be a difference.

If you're perusing the used offerings on ebay, it's nearly a orange/purple popsicle type distinction.

There are good 2 stage regulators on ebay for cheap on any day of the week, the tricks are to know what brands are good, and to buy from someone who knows a good regulator from one that is dead.

TPT included LINK details some Victor models, prices, what some units were stolen for on ebay etc. etc.
Here are some pictures of mine. From: http://www.plantedtank.net/forums/eq...tml#post734863
Quote:
Originally Posted by Left C View Post
Hi guys

Here are some pictures of my Victor regulators.


Front Shot



Rear Shot



VTS-253A-1993, Clippard Solenoid, Swagelok SS-31RF2 Metering Valve



VTS-253D-320, Burkert Solenoid, Ideal Metering Valve, JBJ Bubble Counter



VTS-253A-1993, Clippard Solenoid, Ideal Metering Valve

This is the start of the thread. http://www.plantedtank.net/forums/eq...pimp-club.html
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Old 12-08-2008, 05:40 AM   #22 (permalink)
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Default Re: When is it time to refill CO2?

lots of good info LeftC...thanks
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Old 12-08-2008, 05:54 PM   #23 (permalink)
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Default Re: When is it time to refill CO2?

Thank you very much, supersmirky.


Victor, Matheson and Concoa make very good dual stage regulators. Ideal and Swagelok make very good metering valves.
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Old 12-08-2008, 06:27 PM   #24 (permalink)
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Default Re: When is it time to refill CO2?

I'm at ~100 psi now. I'll swap the tank out some time this week when it gets between 0-50 psi. EOTD (End Of Tank Dump) is not an issue--just run a low end pressure of 30-35psi. I ran an Azoo at ~45psi. Never had a problem, never an EOTD. I run them dry unless it's just more convevient to swap them out a bit earlier for some reason....


I Fear the EOTD...What do you do to prevent it?
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Old 12-08-2008, 06:52 PM   #25 (permalink)
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Default Re: When is it time to refill CO2?

A while back I made this video of a customers office tank co2 regulator.
You can see the tank pressure is almost at 0psi and the bubble count is very much steady as can be.
A good Needle valve and regulator will rid your "EOTD" worries for good.
Here is the video.....................


Regards, Orlando
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