hi774

I've been using the reef-factory smart tester to test the phosphate levels in my tank for ~3 weeks now and like to report my experience with the tester. My tank is a IM 100EXT with the RFS sump. It's currently a low nutrient setup. Total water volume estimated to be around 110 gallons based on...

Selling a Hanna HI 774 Phosphate URL tester in good working condition for $35 shipped with paypal payment. No test packet. Please PM, preferably with cell and your zip/address, if interested. Thanks,

I'm a bit overwhelmed by the number of Hanna Checker for phosphate. I've opened a poll to see which one you guys use. Could someone correct me if my understanding of these three checkers is wrong? And maybe suggest which one I should get? The HI774 sounds like the best choice for someone who...