Yes, salinity will rise, remember water evaporates and salt does not. MH
are very hot and will cause more evaporation....heat=evaporation.
Originally Posted by FPandMM
But since the metal halides have been on, the tank salinity hasn't been raising once 2-3 gal
of evap. I have had to top off with sw
. I'm I going crazy or is something not right?
Are you saying the salinity hasn't risen since you added the MHs? With the added heat, the water will evaporate faster and the salinity will rise faster.
Are you using a hydrometer or refractometer? The hydros are somewhat inaccurate, especially with the swinging arms.