The Pool Water Treatment Advisory Group (PWTAG) guidelines state that coagulants should be continuously dosed at the correct concentration, to enhance the removal of suspended solids and cryptosporidium oocysts from the pool water.

With this in mind, our chemical engineers and pool maintenance experts have designed and manufactured the PAC Pro automatic dosing system. The system consists of a 20 litre drum of PAC (Polyaluminium Chloride) and either one or two dosing pumps housed in one practical robust unit.

PAC ProAdvantages of the PAC Pro

  • No manual dosing required
  • Reduces chemical handling
  • Requires minimal space in the plant room
  • Resilient and robust
  • Easy to maintain
  • Cost effective
  • Comes complete with full health and safety information

What is PAC?

PAC - Polyaluminium Chloride is a coagulant (flocculant) that enhances the removal of suspended solids by clumping them together to form a floc which is then easily trapped in the filter.

The Benefits of PAC

  • Improves water clarity
  • Improves bather hygiene
  • Removes Cryptosporidium (see below)
  • Reduces chloramines
  • Reduces chlorine consumption
  • Cuts chemical costs

Removing Cryptosporidium

Cryptosporidium is a unicellular parasite that causes a gastro-intestinal illness. In the context of swimming pools people can develop the disease by swimming in water contaminated with cryptosporidium oocysts. The addition of PAC is crucial in helping filter out the infective cysts of Cryptosporidium which would otherwise pass through the filter and into the pool water. To accomplish this, the PAC should be dosed continuously and accurately prior to filtration and the PAC injection should ensure good mixing and at least 10 seconds for the PAC to operate before the flow gets to the filter media. This process is simplified by the installation of the PAC Pro automatic dosing system.