What would cause my brittle star to lose his leg.
Its a peaceful tank 2 tangs 1 blue 1 yellow, pair of clowns, scooter dragonett, flame angel, 2 juv. baggai cardinals.
Amm = 0
Nitrite = between 0 - 0.05
Nitrate = 5
Phos = 0
Calc = 500
alk = ~3
Temp = 80-82