Tender For supply of calcium hypochlorite granules (65 - 70 %) (v2) (q2) , silica gel , copper sulphate in powder , tcca 90 trichloroisocyanuric acid in 45 kg pack , test kit for ph and chlorine , ortho todaline solutions 500ml , soda ash light powder in 1 kg pack , caustic soda for swimming pool , alum silly in 20 kg pack , ferric alum for swimming pool