Extremely High Alk In Instant Ocean Salt

[Aquaticguy11]

Originally Posted by 1eyedjyde

My batch of io tests out at 1000 mag, 350 cal and 14 dhk. I use tap water and the dhk is high around 8 or 9. Do you use tap water or rodi?

RO/DI

[Aquattro]

My IO consistently tests out at about 375 ppm Ca, 7ish dKh, and I don't test for Mg.

[gregzz4]

Originally Posted by Aquattro

My IO consistently tests out at about 375 ppm Ca, 7ish dKh, and I don't test for Mg.

And the brand(s) of your test kits are ?

[Aquaticguy11]

Originally Posted by Aquattro

IO did have issues a few years ago where alk was very high and killed a bunch of tanks. I would expect though, that they would not let that happen again. Where did you buy the salt? Maybe someone else has a bucket from the same batch they could test?

I bought the salt at the purple seahorse here in kelowna.