Question for Seachem Reef salt or AV Salinity users

[Potatohead]

So, I'm sure we have all heard that the borate levels are higher than usual in these salts and that can mess with alkalinity testing. However almost everything I read about that is pretty old, and there was a statement in 2015 from Seachem about how they have lowered it from about 20x NSW to 4x.

What is a fresh batch typically testing at for alk? If you get a reading of say, 9 dKH I guess you can safely assume the total alk (meq/L) is slightly more?

Thanks

 

[scooter31707]

I have been using AV Salinity for a year and half now and I am anywhere from 8-9 with Alk once I test a fresh batch. A average would be more around 8.6-8.8.

 

[BlackTip]

Last time I tested Seachem Reef Salt at 35 ppm alkalinity was 145 approximately (it was in the 140s, just don't remember the exact number)

 

[Potatohead]

Ok, so the carbonate alk (dKH) is about 8-8.5 which probably makes the overall alkalinity (meq/L) about 9-9.5, roughly. That works for me.