Our Non-Phosphate MTR-79 is suitably used for some kind of fish such as Basa Fish, Pangasius from Vietnam, Nile Pearch from East Africa as well as they can be used for 'White Shrimp', 'Black Tiger Shrimp'. The shrimp type to use are Easy-peel, PDTO, PTO, PUD, PD. Not recommended for HOSO, HLSO. MTR-79 does not have any residual limit in seafood, it can be used unlimited (as long as compliance to Usage Instruction), it is working similar to STPP, but our product is a NON-PHOSPHATE ADDITIVE Packing in 20kg loose bag Quantity 20mt per 20ft FCL