May 24, 2021 · Round up to the nearest 5,000 gallons. For instance, suppose you have 33,760 gallons of water in your pool, your current chlorine level would be around 0 ppm. Suppose your product advises adding 1 tablet per 5,000 gallons to raise chlorine levels by 1 ppm. You’ll use a dose of 14 tablets to reach a level of 2 ppm. Bleach Sodium Hypochlorite 12.5 %. Commercial-Grade Chlorine Bleach, 12.5-15% Strength. Bleach is used for cleaning, disinfecting and sanitizing hard surfaces, and water. Perfect for. Typical pricing for sodium hypochlorite solution is $.60 to $0.90 per gallon but may fluctuate dramatically based on the supply and demand dynamics of the NaOH and chlorine markets. The cost per pound of sulfide treated is anywhere from $4.50 to $10.00 in the absence of ammonia and $1.60 to $3.50 in the presence of ammonia.. Product Description. Sodium Hypochlorite (liquid chlorine) Chemical Formula: NaOCl. CAS Number: 7681-52-9. Synonyms: liquid chlorine, bleach, hypochlorite solution, chlorine. Sodium hypochlorite is typically used for sanitation, odour control, bleaching and water treatment. Industry standard strength is 12% and is available in wholesale.