Steve Lane
Active Member
Anyone ever used an electronic salinity monitor and if so, do they work?
I also use the Red Sea Refractometer and yes you do need to calibrate it with RO water before each use. I also have a solution of 35 ppt that you can buy of eBay but to be honest you may as well us ROThanks very much for that Dave.
I have a Red Sea refractometer but I find i`m always having to re-calibrate it more or less every time I use it.
Thanks very much for that Dave.
I have a Red Sea refractometer but I find i`m always having to re-calibrate it more or less every time I use it.
I also use the Red Sea Refractometer and yes you do need to calibrate it with RO water before each use. ...