Water Quality in Rainwater Systems – the concept of collecting and using rainwater has been done for hundreds of years, however, with new technology filtering technology, this can make this water usable for more applications. Filtration is the first stage and probably the most important for an effective rainwater system as this will take out leaves, moss and small debris from the rainwater and prevent these from going into the tank.
Water quality will be better without these as water that is unfiltered can deteriorate quickly, particularly if there is a lot of organic matter present causing the water to become stagnant and discoloured. Careful design is needed for systems where the water will be used for toilet cisterns, washing machines or industrial processes. This needs to be as clean as possible and further filtration/treatment may be required. Our rainwater harvesting systems are designed through a four-stage cleaning process to provide clean, oxygen-rich water, free of any particles.
These four processes are achieved using purpose-designed products:
Stage 1: Filtration of the rainwater
The self-cleaning of the rainwater filters take out leaves, moss, and large particles from the water going into the tank. This ensures the water entering the tank is filtered and clean. These filters can be viewed here.
Stage 2: Calmed Inlet & Sedimentation
The calmed inlet allows water to enter at the base of the tank with minimum turbulence, oxygenating the water as it fills. Oxygenating the water to Inhibiting the growth of anaerobic bacteria in the tank is important. This allows very fine sediments to quickly settle without disturbing the body of the water.
Stage 3: Overflow & Surface Skimming Of the Rainwater
Surface skimming is important as any pollen or dust which may be in the water will tend to float. The skimmer draws these particles to the overflow improving the water quality in the tank. This also keeps the water in the tank moving preventing a surface barrier layer from forming and increasing the Water Quality in Rainwater Saving Systems. These products can be view here
Stage 4: Mains Backup
Many rainwater tanks are fitted with the main top-up valve for installations where water is required daily or during the summer months. These can be set at 10-90% of the tank’s capacity depending on the buffer of water to help it the tank. More details can be seen in the following video. With a mains water top-up, you may come under the regulations of Fluid Category 5 regulations – more details online here.
