Help Phosphates to high.

[takeastabatit22]

My Hanna checker was reading over 200ppb prior to a water change.
Then I took a sample to jl and had it checked again.
That the new test
I set up gfo stating lightly and carbon.
Fish is
1 blue damsal
2 med. Foxfaces
1 tomadow clown
1 Orange wraps
1 little grey guy with a spike on his head. Can't remember
1 sand shifting gobbie