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Hydrometers for sure. Either use a refractometer or don't test salinity/SG at all!
The other day I checked my refractometer with my over 10 year old hydrometer.Hydrometers for sure. Either use a refractometer or don't test salinity/SG at all!
Hydrometers for sure. Either use a refractometer or don't test salinity/SG at all!
The Eco-Aqualizer. Totally worthless and based on bad science.
Most of us do haha. I choose reef accelerator over purple up though, seems to do well and doesn't look like milk. I used to enjoy watching the milkiness mix into the water though.

