nilocg aquatics | aquarium dry fertilizer (pps-pro) nilocg aquatics dry fertilizer for aquariums -everything that you will need for dosing via the pps-pro method includes: 2x 500ml dosing bottles 1lb kno3, 1/2lb kh2po4, 1lb k2so4, 1lb mgso4 and 1/2lb csm+b