Sodium Hypochlorite

- liquid Chlorinesodium hypochlorite container

  • Sodium Hypochlorite, chemical formula HCl, delivers approximately l0% available Chlorine
  • Common household liquid bleach is Sodium Hypochlorite, at about 1.5% concentration
  • 5 litres of Sodium Hypochlorite contain about 0.5 kg of available Chlorine
  • 5 gallons of Sodium Hypochlorite contain about 0.5 a gallon of available Chlorine
  • HCl is non-flammable and is compatible with other pool chemicals
  • HCl should be stored in a cool, dark place as it is degraded by strong light
  • Therefore don't buy it in translucent containers
  • At 26C the available-chlorine level in a jug of HCl will fall by 25% in 24 hours
  • At 34C this can occur in just 2 hours
  • Apply Sodium Hypochlorite at dusk to extend the life of the chemical in the pool water
  • Pour HCl  into the skimmer with the jug as close to the water surface as possible to avoid loss of available Chlorine
  • Adding Sodium Hypochlorite by trickling it into the skimmer, so that it mixes with the water, will help to reduce the Chlorine loss
  • If HCl is the main sanitizer Cyanuric Acid should be added separately to keep the Chlorine in the pool from being degraded by sunlight

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