Setting up a top-off.

Discussion in 'Equipment' started by sfsuphysics, Dec 12, 2009.

  1. Matt_Wandell

    Matt_Wandell Honorary Member

    I like the LM3 for its ease of use, simplicity, great customer service, size, weight, noise volume, I like that I can zip tie it to a pipe in a remote location, it's all nice and sealed, the head is super easy to remove and clean......pretty much everything about it! I've used some big old clunker peri pumps in the past that worked just fine and were probably cheaper, but I'd still buy a LM3 if I needed a new all in one setup. The ability to add separate modules on the one controller seals the deal.
     
  2. iani

    iani Guest

    Jason, you probably were not using the best tubing for what we need. IME, norprene tubing works best. I've never had that tubing wear out on me. I change it maybe every 6 months to be safe though. The downfall is that the only place that really sells the tubing is direct from cole parmer. I had to buy a 50 foot run.
     
  3. iani

    iani Guest

    Matt, I was talking about it for the application of a calcium reactor. For what it is, it is just not the ideal pump to provide a feed to a calcium reactor like a schuran jetstream.
     
  4. Eight

    Eight Guest

    Actually I was using Norprene that I had purchased from a medical supply house. (I still have like 20 feet of the stuff left.) Honestly, though, this was back in my early reefing days and I probably wasn't doing something correctly. :)
     
  5. xcaret

    xcaret Supporting Member

    Jason any chance I could get ~5" of the neoprene hose?
    My Aquamedic ATO is not working the way it should, I tested the float switch and works, tubbing from the pump is new but still stalls and wondering if the tubing needs to be replaced.
    I'll be setting a piggy bank for a LM3.
     
  6. Eight

    Eight Guest

    Sure, I'm not sure I have the right size that you need though. The watson marlow pump that I used it one was quite small. What size do you need?
     
  7. xcaret

    xcaret Supporting Member

    How do you know the size? ID OD I'm plain clue less about the size; I'll check the pump and measure.

    Thx
     
  8. Thales

    Thales Past President

    My understanding is you want continuous flow of water through the Ca reactor to stop pressure building up. If the feed pump goes off, and the CO2 keeps getting injected, the reactor builds up pressure which can be bad. With the use of pH controllers this is less of an issue that it used to be, but if the controller or the solenoid fails, you can stress your reactor.
     
  9. pixelpixi

    pixelpixi Guest

    Ian: maybe there's a more reliable easier to user quieter pump for a better price, but that wasn't at all obvious to me when I was researching it. I had tried an ATP pump and had problems with it. I just wanted something that I knew would be reliable and the LM3 works great.

    Rich, as long as the effluent line isn't closed off or clogged no pressure will build up. If you're using a peristaltic pump to control the effluent then there's no need for a value on the effluent return, so no pressure.
     
  10. iani

    iani Guest

    Erin, I think most calcium reactors are made to run pressurized in order to get the pH of the effluent down to the desired levels. Only a few reactors are made to run pressureless. Also IME effluent lines clog much easier when using an intermittent source for you feed.
     
  11. Matt_Wandell

    Matt_Wandell Honorary Member

    Hey Ian, I totally agree with you about using a continuous duty pump for a calcium reactor. My comment was more just about LM3s in general.
     

Share This Page