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  1. Equipment
    I already have a regulator for this CO2 tank and need a needle valve to facilitate the rest of my setup. The output is a 5/8"-18 RH thread. Any ideas? Industrial suppliers fine
  2. Equipment
    I have a CO2Art SE two stage regulator with the included bubble counter and needle valve. I thought my valve settings were getting jostled as I dial in this new tank and mess with the systems, but I believe at least one issue is sometimes the CO2Art needle valve will generate a different bubble...
  3. General Planted Tank Discussion
    I managed to knock my needle valve so I have had to reset the bubble count to approximately what it was before. Say I put the bubble count too high, how long would it take for CO2 to build up to a point where it could harm my fish? Thanks :)
  4. Equipment
    I need to get a new o-ring to go between the standard CO2Art needle valve and bubble counter. I've tried searching around, but I can't find what that size of o-ring is called. Does anyone know what that size of o-ring is called and where they can be found? If necessary, I can order a new one...
  5. Equipment
    I have found out a website where you can calculate the flow (Q) in scfm (standard cubic foot per minute). But to do that you need to fill in some data first: 1) Cv (flow coeficient) 2) Upstream Pressure 3) Downstream Pressure 4) Temperature 5) Specific Gravity for your gas ("Carbon Dioxide" in...
  6. Equipment
    So I just got my first CO2 set up used from my local fish club. I jumped at it because it was a good price, but now that I've actually got it, I am beginning to second guess my purchase. I knew that the bubble counter was broken when I bought the unit, so today I went ahead and bought a new...
  7. Equipment
    I want a fabco needle valve for my splitter, its a 3 way but I'm only using 2 of them. The one thats on there sucks. I want this Fabco valve http://store.fabco-air.com/proddetail.php?prod=NV-55-18&cat=112 From what I see I would need the part where I insert my brass bubble counter or the...
  8. Equipment
    Hey guys, I am building my custom CO2 regulator and looking around for parts. I am lucky enough to have a Swagelok distributor in town (gotta love Portland, Oregon!) and, since I wont have to pay any shipping costs, looking very closely at their needle valves. It sure aint easy trying to...
  9. Equipment
    Hi all! Today I had an extremely productive trip to the local airgas! Walked away with one of these: http://www.concoa.com/docs/catalogs/ADC3010AC_Spec%20Gas/Spec%20Gas%20Accessories/ADC%203010%20AC%20Diaphragm_Valve_Needle_Valves.pdf . I have the brass / stainless steel 550-0067. Anybody ever...
  10. Equipment
    Hey, I just received my fabco nv-55, and I'm a little confused about the holes in it. The holes in the sides are where I want to attach barbs / tubing / check valves / potatoes, right? What do I do with the hole in the bottom? Do I plug it? Or is that where excess pressure is vented? Isn't...
  11. Equipment
    whats the procedure for turning on my co2 to go through the dual gauge and two stage regulator then solenoid with needle valve then bubble counter. iv never done it before and dont want to damage my reglator or needle valve
  12. Equipment
    How do I know? It's not my knee. My C02 levels have never been as constant as I would like (BBA). From time to time I notice my reactor would cavitate(sp) / burb and, in the worst case, my fish would be up near the surface gasping by the time I got home from work. I started noticing that...
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