The Planted Tank Forum - View Single Post - Simple DIY Drop Checker (V2 is Alive! 3/31)
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Old 03-30-2011, 11:08 PM   #12
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Originally Posted by redfishsc View Post
This theoretically could be reproduced using acrylic instead of tubing (you'd need a dab of silicone to permanently seal it)
But if you glue it in, you can't pull it back out to change the solution out.
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