Got a refractometer and WOW, way out...gotta fix

[midgetwaiter]

Originally Posted by Slick Fork

Thanks for all the help so far! So I did an improvised DIY solution following the basis of the reefkeeping article. I used 1927ml of RO water, and mixed in 1/4 cup (73grams) of Salt... The salt was easy to measure with a measuring cup and I used another glass measuring cup to get 1900 ml of water, I used a syringe to add the final 27 mL of water so I'm fairly certain I was precise.

Your math is right and the fact you got the same result 3 times is a good sign. It comes down to how precise your measures were, a good scale would work better than volume measurements.

Originally Posted by Slick Fork

Now, just to be sure when he says "Morton's Iodized Salt" he's talking about an American Brand name for table salt correct???

Yep.

Originally Posted by Slick Fork

So, with all that done do you guys think I could be confident trusting the reading I'll take after supper?

I think you should be fine. Please post the measurement you get with both devices now that you've calibrated, it sounds like they'll be pretty close.