400 ppm calcium pool balancing chemicals

{"cid":"91221289","title":"Liquid Pool Balancing Chemicals 200 - 400 Ppm Calcium Hardness Level","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/6b\/22c15ff312c81ad03d93a8231e54-200x200-1.jpg","attrs":{"Brand Name":"ACHLOR","Model Number":"ACHLOR-1","Minimum Order Quantity":"1*20GP container","Delivery Time":"30days","Place of Origin":"CHINA","Certification":"ISO","Packaging Details":"50kg drum \/5kg drum \/ 1kg jars","Payment Terms":"TT L\/C","Supply Ability":"10000CARTONS\/MONTH","Form":"Liquid","Safety Precautions":"Wear protective gloves and eyewear while handling","Usage":"Add 1-2 ounces per 10,000 gallons of water weekly","Concentration":"38%","Storage":"Store in a cool, dry place","Type":"Chemical","Chlorine Level":"0 ppm","Ph Level":"7.0-8.0","Alkalinity Level":"80-120 ppm","Calcium Hardness Level":"200-400 ppm","Ingredients":"Sodium Bisulfate, Sodium Carbonate, Sodium Hydroxide","Shelf Life":"2 years","Purpose":"Maintain proper water balance","Country Of Origin":"China"}}

{"cid":"91180795","title":"Sodium Bisulphate Swimming Pool Chemicals Granular PH Minus 98.5% Dry Acid","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/16\/507f1d7d15fe37fdaa8fbad55f77-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"supblue \/ WXL","Model Number":"PH-","Minimum Order Quantity":"one drum of 50kgs","Delivery Time":"5-7 working days","Place of Origin":"Guangdong, China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"1000 Metric Ton per month","Packaging Details":"plastic drum","classification":"Chemical Auxiliary Agent","usage":"Electronics Chemicals, Water Treatment Chemicals, pool chemicals","MF":"NaHSO4","shape":"white powder","package":"50kgs per drum","purity":"93%-99%"}}