Coral salt water tank Phos-x, green crab to remove brown alg.

[book66]

Has anyone use phos-X for a coral salt water tank? Would this be safe to use in a coral tank, I want to get rid of the brown alg. (name I don't know)?

I want to get an alg. eating salt water crab it's green in color would this be safe also in a coral salt water tank?

thank you,

 

[arcab4]

the green crab..are you talking about an emerald crab? they're good for bubble algae. people have mix experiences with them in regards to corals. mostly sps corals.

=)