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refractometer

4K views 10 replies 9 participants last post by  wasabi 
#1 ·
Just thought I'd post with a heads up that I discovered with my tank.
I just got an order from Premium Aquatics (love those guys) with a refractometer among the items. With my old floating glass tube hydrometer the salinity was reading right at 1.025 but with the new refractometer its showing 1.030 :eek:
I'm slowly removing water from the tank and letting my auto-top off refill with fresh water which should bring the salinity down.
 
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