I got my MD refractometer today.. very cool little jobber. I calibrated it and tested my water..... welllllll, lets say.... 1.027 and the swing arm thing i was using... 1.024... wow... what a difference...
i recommend one to everyone who has $50 and likes marinedepot or premiumaquatics. they each have thier own brand...
i recommend one to everyone who has $50 and likes marinedepot or premiumaquatics. they each have thier own brand...



