I'm getting a kitchen scale to weigh my salts. It should be more accurate that a cup. I have a heck of a time getting consistant SG redings using a cup.

Weighing is the approach I take.

6.6 kg of Kent salt in 50 gallons yields 1.024

Steve, I always end up with 1.023

Doug

Seeing as this is my first fill, and the tank was only about 3/4 full. I'll never need to fill it like that again. When I do mix salt for water changes, I'd assume I'll get some rough #'s of water to salt ratio. If I had to guess, I ended up using 35 cups for about 60-65g of water to get a 1.025....

Walter

ps. Thanks again for the help

Walter, I got a 10 gallon aquarium for mixing my salt, I put a mark on it with black permanent marker for 5 gallons as well, so if I only need to do a 5 gallon water change, I fill the tank to that mark, add my salt and let a power head run over night, next day the water is ready for the change.
To start off get yourself a container with a known capacity, get it reasonably full and then add some salt, mix well and check SG, once you figure out how much salt to add, you'll be set. When I used Marine Environment and Bio Sea, I could never count on the SG being the same, little own the Ca or anything, it's one of the reasons I swear by kent, it's IO with some additives, if IO were cheaper I'd use IO, they are made in the same plant by the same people.

Doug

Yup, that what I'm going to be doing. Actually, I made a deal with incoma for his sand and live rock. It was sooner than I was expecting to set up my tank, so It's been a rush the last 2 days to get it set up for Friday :biggrin: Plus, this is my first salt tank.

Walter

ah, you're going to love it, ... just think of all the $$ you can spend now....

Doug

I'm thinking of all the $$$ I already spent :biggrin:

But, it's all worth it!

Walter