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Old 02-05-2014, 10:23 AM   #2
Jinduan
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Join Date: Apr 2014
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Depending on what you want to scrap off - I usually use those old unwanted "credit-type" hard plastic cards such as those membership cards etc. Can be used for simple algae such as the diatoms and green spots. But even razor type scrappers have difficulties removing BBA. I happen to see these razor scrappers at Sam Yick Aquarium at marine parade central.

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