In-Reply-To: <200103072048.PAA10110 at actwin_com>
Hi, I have had the same experience with profile hardening the water. I
have 2 tanks, one with fluorite and one with turface (same as profile).
The fluorite tank has a dKH of 3 and the turface tank has a dKH of 8-9.
Big difference.
--Laurel