Can Sulphur pearls contain Nickel?
I received my latest ICP with Ni at 26ug/l , it was previously at 0ug/l.
The only changes I can think that I made on the tank was to run a sulphur reactor for a few weeks to reduce nitrates. It is no longer in the tank as nitrates did reduce.
I received my latest ICP with Ni at 26ug/l , it was previously at 0ug/l.
The only changes I can think that I made on the tank was to run a sulphur reactor for a few weeks to reduce nitrates. It is no longer in the tank as nitrates did reduce.