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Suitable for tank water with a pH below 7 to help protect your plumbing fixtures/copper pipework from corrosion and degradation.
 
Vessel Size: 52" x 12"
Comes with: 1x 20kg Bag Filter Sand/Gravel & 4x 20kg Bags Calcite Filter Media
 
Magnesium pH boosting filter media will be required if you are on a water supply that is below 5 pH, the calcite will not function to its intended purpose. In this situation, you likely will require a pH-boosting media to raise the pH above 5. 
 
Why do you need a calcite filter for rainwater?
Nowadays many people are getting brand new Poly Rainwater tanks installed on their property. Rain water is commonly known to be in a very acidic state (around 5 pH) naturally, and it is only when it comes into contact with earth or other organic material that the pH rises to neutral and even alkaline levels. However when you have clean gutters and a new clean poly tank, there is no organic or inorganic matter to dissolve into the water to raise the pH, thus you are left with highly acidic water sitting in your tank. This can cause extensive health issues in the long term, but it may also affect your plumbing work throughout your house. Copper is known to be the worst-affected part of your house by acidic water - you will notice a blue/green tinge to the water which is a signal that copper is dissolving into your water. Acidic water works its way from the inside out and if left long enough untreated, may cause your entire copper pipework to fail and need replacing.
This brings us to the solution to acidic water - the Calcite Filter.
There are many noteworthy features that need to be addressed with this system.
The system is fitted with a Manual Multi-Port Valve for easy and efficient backwashing of the system, again, saving you time and effort to maintain the system. This will also mean you do not need a second expensive post filter to catch the fine particles/dust produced by the calcite when it is first used.
 
The filter is made up of 2 main filter components:
Firstly: A bag of filter gravel that acts as a sand filter, filtering out dirt sediment, and other particulates in the water.
Secondly: We use a High-Grade Calcite Marble filter media. This calcite is the Highest Quality available in Australia. This in turn will provide much better consistency and filtering life.
 
The way this filter works is by dissolving traces of calcium into the water to help buffer the pH back to neutral. On average you will need to refill about 1/2 to 1 bag full of Calcite Marble per year (which depends on water usage + pH of incoming water).