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  1. #11
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    Thanks.
    Quote Originally Posted by Gregg View Post
    the stir pump come on every 2 hrs for 15 mins... the water change pump comes on for 30mins once a day.. that equals about 3% water change per day.

  2. #12
    BOD MEMBER steveb's Avatar
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    Quote Originally Posted by Gregg View Post
    the stir pump come on every 2 hrs for 15 mins... the water change pump comes on for 30mins once a day.. that equals about 3% water change per day.
    Good idea to stir. I have noticed that the top 3-4" of water in my saltwater storage tank is usually like 1.03x and lower down its 1.026. So whenever I pull water out I always have to remind myself to stir the water in the tank for a bit.
    Steve
    M.A.R.S.H. - Board Member / Site Admin
    Marine Aquarium and Reef Society of Houston

  3. #13
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    I will be joining the AWC club, I got a great deal on a used Stenner 100DPM4.

  4. #14
    Treasurer Gregg's Avatar
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    Quote Originally Posted by Rio1969 View Post
    I will be joining the AWC club, I got a great deal on a used Stenner 100DPM4.
    dude welcome to the club, I'm off on vacation and my system is doing water changes all on its own!
    Gregg Hamilton
    M.A.R.S.H. - Treasurer / Webmaster
    Marine Aquarium and Reef Society of Houston

  5. #15
    Vice President
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    Sorry I have never been a fan of anything that combines water and auto. The websites
    are full of 100% failures. One guy even had a backup and it also failed. I have made my
    water changes a matter of opening and closing 2 valves and that is as simplistic as I want.
    And I now do a 100 gal change ever 4 days.
    David
    M.A.R.S.H. - Vice President
    Marine Aquarium and Reef Society of Houston

  6. #16
    Secretary Cody's Avatar
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    Quote Originally Posted by Rio1969 View Post
    I will be joining the AWC club, I got a great deal on a used Stenner 100DPM4.
    The stenner 170DMP5 is the best, but that one is perfectly fine. If I got a deal on one of those, I would absolutely use it too.

    Some pointers for when you set it up. The exchange rate isn't always perfect. For some reason, there might be slight differences between the two heads. However, these pumps are consist in that exchange. Once you get the exchange rate figured out, you need to dial in the salinity of your saltwater storage container to compensate. If the pump takes out more water than it replaces, then the salinity of the container needs to be higher than your target salinity. If the pump puts in more than it takes out, then the salinity needs to be lower than your target. Greggs does the latter.

    Every 4-6 weeks, check the salinity of the display tank. I found that until I dialed in my resevouir salinity, I would drop or raise .001 salinity, which isn't a big deal. That could be due to skimmer discharge, dripping water out of the tank, creep, etc. Just periodically check the salinity of your tank.
    Cody
    M.A.R.S.H. - Secretary
    Marine Aquarium and Reef Society of Houston

  7. #17
    Secretary Cody's Avatar
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    Quote Originally Posted by reeftopia View Post
    Sorry I have never been a fan of anything that combines water and auto. The websites
    are full of 100% failures. One guy even had a backup and it also failed. I have made my
    water changes a matter of opening and closing 2 valves and that is as simplistic as I want.
    And I now do a 100 gal change ever 4 days.
    David, you don't even use an auto top off. Get out of here! Haha

    Also, if the pump fails then there are no consequences. The same motor removes and adds. If the pump dies then it's just back to how every other tank functions with the exception of the daily mineral supplementation that you're doing with daily water changes.
    Last edited by Cody; 5 Days Ago at 11:30 PM.
    Cody
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  8. #18
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    Sure I do.I automatically go out and top my tanks off every day. Don't know how you can
    auto do it any more easily. Seriously at least once a month I open up my valve get busy
    and forget to cut it off and add a 100 gals of fresh water. What the heck its only 4% and my
    salinity is usually to high anyway. Bigger is Better until it comes to the electric bill.
    David
    M.A.R.S.H. - Vice President
    Marine Aquarium and Reef Society of Houston

  9. #19
    Treasurer Gregg's Avatar
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    Quote Originally Posted by reeftopia View Post
    Sure I do.I automatically go out and top my tanks off every day. Don't know how you can
    auto do it any more easily. Seriously at least once a month I open up my valve get busy
    and forget to cut it off and add a 100 gals of fresh water. What the heck its only 4% and my
    salinity is usually to high anyway. Bigger is Better until it comes to the electric bill.
    but can you do that from across the country?
    Gregg Hamilton
    M.A.R.S.H. - Treasurer / Webmaster
    Marine Aquarium and Reef Society of Houston

  10. #20
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    yes I call the wife she can forget to turn valve back off also. But no problem sump now
    full it will take almost a week before its back down. Have to admit back when I traveled
    the world that would have been nice. But would that work Beijing, Tahiti, Bora Bora, Rio
    David
    M.A.R.S.H. - Vice President
    Marine Aquarium and Reef Society of Houston


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