bids are invited for chemicals for swimming pools supply only alum ferric compound of approved qulality , supply only copper sulphate gr 1 , supply only calcium hypochlorited 65 to 75 chlorine density 2 po 35 g cm 3 20 a c kg per ltr kg l contain appro qyt dispersant , supply only good quality white soda ash also known as sodium carbonate na2co3 for increase of ph level under 72 non corrisive increases chlorine and enhance the quality of swimming pool water , supply only swimming pool water bags purifier dose chlorine tcca 90 granules tcca 90 of standard package of 50 kgs bag , supply only good quality pool kgs cleaning bleaching powder packing size 25 kg , supply only liquid swimming pool algaecide packaging type can grade standara reagent grade total quantity : 1024