Purina AquaMax Fry Powder, A Complete Sinking Ration For Starting Just About Any Fish, As Soon As Swim Up Starts. 500g(17.6oz) Meal/Powder, Sinking Diet, 50% Protein, 17% Fat, 3% Fiber A Complete Sinking Ration For Starting Just About Any Fish, As Soon As Swim Up Starts. Suitable For Cold-Water, Warm-Water And Tropical Fish. Backed By Decades Of Published Research. Always Fresh. 500g(17.6oz) In A Black, FDA Approved Straight Sided Jar Most Orders Received By Noon Eastern Time(M-F) Will Ship The Same Day.