I haven't rolled my IO Sea Salt buckets for over a year, but that may change ....

[gregzz4]

Ya, if I don't get results I like after rolling it this coming weekend I'll explore other brands

[Aquattro]

My IO is 9dKh out of the box. A bit high, but overall happy, so I use it. RBS is getting too pricey, and not really a lot of other options. They sell Seachem locally, but I wouldn't use that in my tank.

[gregzz4]

I rolled/inverted my bucket for about 5 mins
This time I got;
12.8
460
1230

I'll try rolling it some more and see if it gets any better ...

[The Guy]

I roll my new buckets of IO a little and have never had any issues at all.