I bought this tank a few weeks ago and i dont think its going to work for what i want. I spent a bunch of time cleaning it and scraping off paint. This is the rimless version with the corner overflow. Comes with some plumbing supplies and upgraded bulkheads, i have the old deep blue...
the refractometer is right. 35ppt is an ideal salinity for reef aquariums. when you say "calibrated it again with RO and they were pretty close" what exactly do you mean? the refractometer should read the RO water at 0ppt and the solution at 35ppt when correctly calibrated.