Originally Posted by jjlittle
Dont drop the salinity more then .001 in one shot and I woul wait between a few days . I would also suggest getting a refractometer for my hydrometer was off .006. You need to do it very slow just like everything in this hobby.
yeah but over a 48 hour period it is suggested when doing hyposalinity, at a gallon per hour(in a 75 gal.), that drops you over .016 over 48 hours, it is safe i assure you, i just did it...but do what you will...now going up is a whole different story, thats a 5-7 day process for .016 back up!