The Planted Tank Forum - View Single Post - "Nano" Drop Checker vs. "CLIP-n" Drop Checker
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Old 10-01-2012, 02:05 PM   #11
pwolfe
Planted Tank Obsessed
 
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I have the clip on checker and I have a major gripe with it. When in use, you can't fill the water up completely to the brim. The surface tension of water grips the checker and starts to use the checker as an overflow.
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