marrone The All Powerful OZ Staff member Vendor Manhattan Reefs Real Reefer Supporter Location The Big City Rating - 98.8% 80 1 0 Nov 23, 2005 #21 In order to do hyposality correctly you need to make sure the SG is right and you can't get that with a hydrometer you need a refractometer.
In order to do hyposality correctly you need to make sure the SG is right and you can't get that with a hydrometer you need a refractometer.