Coral snow alternative

[Proteus]

Over a year now. I mix it with ro to the consistency of cream. No real mix ratio.
I add it directly to the return pump as it does clump a little. A lfs does mix it quite a bit more runny and just Adda more though I'm unsure of their mix ratio... Any way I'm adding 10ml to 125 gallons 3x a week. Usually after I blow off the rocks.

I believe I originally found out about it on reef central. It was a thread on finding out what zeo is made of