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Old 05-21-2007, 03:09 PM   #1 (permalink)
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Default SCWD (switching current water device)

I bought one of these off of my friend when he had his tank working (and the device was functional). Now it seems to stick to one side. Anyone here have any thoughts what could be the problem? I took it off and flushed it out backwards, and it seemed to work for a few revolutions, then it just quit and stuck to the same side.
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Old 05-23-2007, 08:43 AM   #2 (permalink)
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Default Re: SCWD (switching current water device)

NO one can offer help?
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Old 05-25-2007, 01:10 PM   #3 (permalink)
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Default Re: SCWD (switching current water device)

It sounds like some of our sprinklers outside, and boy that's annoying....

I wonder if trying a little filter grease would help it move more freely? I would think it's safe in the tank when you can use it in filters.
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Old 06-04-2007, 10:14 AM   #4 (permalink)
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Default Re: SCWD (switching current water device)

I tried soaking it in vinegar... I will let everyone know how that goes in case someone else has the same problem.
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Old 06-04-2007, 10:27 AM   #5 (permalink)
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Default Re: SCWD (switching current water device)

The only thing I could think of was maybe using a drain cleaner, one of the enzyme ones that 'eats' the dirt in the pipework. I'd give it a very good clean afterwards of course!!!!
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Old 06-04-2007, 12:35 PM   #6 (permalink)
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Default Re: SCWD (switching current water device)

well we will see... dont really want to use anything that is not safe for an aquarium. I have very sensitive fish in there.
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Old 06-04-2007, 02:39 PM   #7 (permalink)
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Default Re: SCWD (switching current water device)

Quote:
Originally Posted by Yeaulman View Post
well we will see... dont really want to use anything that is not safe for an aquarium. I have very sensitive fish in there.
Totally understand that. The enzyme-based cleaners should be perfectly safe after being washed well. And putting them in hot water would de-nature them anyway.

The vinegar may well work anyway, so you won't need to bother with it!
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Old 06-12-2007, 04:03 AM   #8 (permalink)
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Default Re: SCWD (switching current water device)

I had one on my reef tank. It worked for a while an then did the same thing. A soak in vinegar and all was right with the world...until the next time it got stuck. Then another soak in vinegar.

The main problem with it is the loss of flow. No matter what the website or literature says, you can count on at least a 33% drop. Not such a problem in a planted tank but the death knell for a reef.

Be sure to use it on the return from a filter - not with a stand alone pump unless you have a good strainer on it. The gears inside are tiny and the least little piece of debris will make it stop.
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Old 07-27-2007, 11:11 PM   #9 (permalink)
 
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Default Re: SCWD (switching current water device)

i have used tem for a few years on a closed loop system in my reef tanks. the only time it got jammed was when i shut down the cls and restarted it.i clean mine in a 4 to 1 solution of clorox bleach then a bath in amquel. works everytime!

AG
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