Thread: Test Kits VS Checkers. Lookin For Input
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Old 10-14-2011, 04:42 AM
syncro syncro is offline
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From Advanced Aquarist:
Product Review: Inexpensive Analytical Devices: Hanna Instruments' Checkers: Alkalinity and Phosphate
http://www.advancedaquarist.com/2011/8/review
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