What is the definition of a tank crash?

[Wayne]

Originally Posted by BlueWorldAquatic

just a few quick ?'s Forgive me if I missed seeing them in this thread.

What salt are you using?
RO water, filtered or purchased?

Ken

I have been using Instant Ocean since I started the tank I have been slowly switching to Instant Ocean Reef Crystals since January. I was using RO/DI for a few months now with my own RO system which is a newer system with new filters.