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Thread: DIY Drop Checker
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Old 12-12-2006, 08:10 AM   #130 (permalink)
caymandiver75
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Quote:
Originally Posted by davis.1841 View Post
I just came across this little part that sounds like its made for a situation just like this. Check it out.

Also does anybody know what kind of indicator solution is used in the Red Sea Drop Checker/"Co2 Indicator"????
Isn't it bromthymol blue?
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