Would anyone have one of the prism type of hydrometers for sale? :) I'm quite annoyed with my regular dip-in-the-water device.
Thanks!
IslandReefer
06-01-2005, 08:17 AM
http://www.jlaquatics.com/phpstore/store_pages/details/testkits.php?product_ID=t-cprefact
....if you look around you can find one for apx $50
Good luck