Specification: Form : Kibble (2cm-5cm) (May change as per need) Appearance : White cream pH value(0.5:10) : Min. 2.8 Solubility : Completely soluble in hot water. Al as Al2O3 :Min. 17 % Insoluble matter : Max. 0.8 % (In water) Iron content as Fe:Below 50 ppm