Dosing pump issue

Expansion modules and attachments

Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Sun Sep 18, 2016 5:55 am
I have 2 dosing pumps, one for vinegar and one for kalk. The one that doses kalk won't stay primed, it slowly drains back to the container. The vinegar one seems to work fine. Is there some issue with the one that can be fixed?
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Joined: Fri Mar 29, 2013 3:51 pm
Location: Oklahoma City
PostPosted: Mon Sep 19, 2016 6:51 am
Maybe disassemble the head and make sure the tubing is in the right place? You might also check for an air leak between the container and the pump. How long does it take it to drain?

Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Mon Sep 19, 2016 7:52 am
Not sure how long it takes to lose the vacuum. I pulled it apart to see if the small tube inside was damaged, looked a little flat. Not sure if the tube isn't being pinched off enough by the rollers or what. I've replaced both lines going into and coming out of the pump. Only thing I haven't done is replaced the little connectors or the small tube in the pump.
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Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Mon Sep 19, 2016 7:55 am
Also it won't pull the fluid up the tube at first. I have to syphon it up to the pump then it will begin to move it.
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Location: Oklahoma City
PostPosted: Mon Sep 19, 2016 7:59 am
I would try replacing the tubing in the pump. If that doesn't fix it you may need a new pump head.

Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Mon Sep 19, 2016 10:43 am
Where do you get that size tube?
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Posts: 1424
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Location: Oklahoma City
PostPosted: Mon Sep 19, 2016 10:55 am
Reef Angel Store.

Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Mon Sep 19, 2016 1:02 pm
Is that the tube that's $6 a ft? I was wondering why it was so short.
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Posts: 328
Joined: Fri May 17, 2013 1:35 pm
PostPosted: Mon Sep 19, 2016 1:05 pm
Should there be some kind of lube on the tube?
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Posts: 1424
Joined: Fri Mar 29, 2013 3:51 pm
Location: Oklahoma City
PostPosted: Mon Sep 19, 2016 1:35 pm
Not that I'm aware of.
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