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Re: [APD] Using powerheads for a CO2 diffuser

Bob_Ashcraft at L-3com.com wrote:
>>Date: Tue, 6 Dec 2005 18:16:03 -0800 (PST)
>>From: "S. Hieber" <shieber at yahoo_com>
>>The Rio were once quite popular with the reefers for
>>venturi protein skimmers, then TAAM reportedly had a rash
>>of disintegrating impeller cores about 5 years ago and the
>>crowd seemed to swing over to the Max-jets.
>>Scott H.
> The impellers really weren't the issue.  It seems that the motor itself 
> would overheat, either from the impeller not spinning because of calcium 
> deposits, or, just for no apparent reason at all.  The excessive heat 
> would cause the potting material used around the coils to melt and seep 
> into the water, basically creating an oil slick which could, and usually 
> did kill the entire tank.  This was only a problem with the 1700's, 2100's 
> and 2500's.
> Bob Ashcraft

This is what happened to me with a 2100 a few years ago :(. It's a shame
the pump was really awesome. Quiet, pumps lots of water and comes
with many accessories.

Louis Lin
TickQuest inc    www.tickquest.com
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