salt level

Hi Team, Newbie to reefing here So, I'm getting my 30g tank these days and need to prepare to make it cycle I realised yesterday that before that i need 30g of marine water though, quack! I just don't have space enough at home to have a separate container that big (or several smaller) with...

Hey everyone. I'm curious to see what anyone has to say about the lowest they've seen their salinity in their tank with corals still thriving? I recently realized my tank was running at 1.020 for quite a long period of time. Verified by 2 separate digital Milwaukee checkers. I've since brought...

I've been calibrating my refractometer with RODI for the past 2 years. I now know that it's best to calibrate with calibration solution. I want to switch to calibrating with the solution with my next water change, but the problem that I ran into is when I calibrate using the solution my tanks...

I have had the local pro’s tell me numbers from 1.022-1.-030 on a semi mix reef. Mostly koni’s and zoa. I have had had good luck this week lowering my AL 34 down to 10-12 of the whites and 30-32 on the blues. any thoughts? thanks, friendly Reefer