affects of phosphates on clams?

[Julio]

Hey Guys,
i was wondering if anyone knew what kind of effect phosphate levels have on clams in terms of theri health?

 

[dragon_slayer]

elevated PO4 levels tend to disturbe the ability to add Ca to the shell IME. other then the lack of weight for a given size i didnt see any health problems, but i'd tend to think the heavier shell is a better sign of a healthy clam none the less.

hth
kc