Rain Water Tank Filter Cartridges
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Discover a wide range of Rain Water Tank Filter Cartridges tailored to provide you with clean and safe drinking water directly from your rainwater tanks. Whether you're looking to improve the taste, eliminate harmful bacteria, or remove sediments, we have the perfect solution for your needs. Our collection features top-quality replacement cartridges compatible with various filtration systems, including options for gravity, under-sink, and whole-house setups. Featuring renowned brands such as Doulton, Aragon, and HPF, these filters are designed to remove chemicals, heavy metals, chlorine, and other contaminants while ensuring your water stays fresh and pure.
Our cartridges are easy to maintain and clean, with many offering long-lasting performance. Explore the options that best suit your tank and filtration system today, and enjoy the benefits of high-quality, filtered rainwater for your home. If you can't find what you are looking for, don’t hesitate to email us on help@mywaterfilter.com.au or give us a call at 02 5562 0255 so our friendly Sales Team can help you with your needs.
Frequently Asked Questions
The best filter cartridges for rainwater are those specifically designed to handle contaminants found in rainwater, such as bacteria, sediment, and chlorine. Popular options include the Doulton Super Sterasyl Ceramic Water Filter and Aragon Water Filter Cartridges, which provide excellent filtration for rainwater tanks by removing harmful particles and improving the taste of the water.
It depends on the usage and the quality of your water, but generally, it is recommended to replace your rainwater filter cartridges every 6 to 12 months. If you notice a decrease in water flow, taste, or filtration effectiveness, it may be time to replace your cartridge sooner.
Yes, our range of rainwater tank filter cartridges is compatible with most filtration systems used in Australian households. Whether you have a gravity-fed, under-sink, or whole-house system, we have cartridges designed to fit your specific needs.

- Stops Bugs & Bacteria
- Fantastic for Rainwater
- Scrubs Clean Easy

- Highly recommended for town
- Chlorine, Bacteria Gone
- Removes Heavy Metals

- Removes chemicals in water
- Eliminates metal taste
- Restores water alkalinity

- Sediment + Carbon block cartridges
- Eliminates chlorine
- Improves taste, smell and colour

- Made in the USA
- Two Cartridges Per Pack
- 2-year, pro-rated warranty

- Great on untreated water
- Repels cysts and bacteria
- Removes chlorine

- Removes Sediment
- Chlorine, Bacteria Gone
- Removes Heavy Metals

- Stops Bugs, Bacteria & Sediment
- Removes Chlorine & Chloramine
- Removes Herbicides & Pesticide

- Kills Bugs & Bacteria in water
- Highly recommended for rain water
- Removes Heavy Metals & Virus

- 5 Micron
- High sediment holding capacity
- Suits Goldcarb pre filter

- Sediment + Carbon block cartridges
- Eliminates chlorine
- Improves taste, smell and colour

- Highly recommended for town
- Chlorine, Bacteria Gone
- Removes Heavy Metals

- Raises pH levels
- Chlorine, Bacteria Gone
- Removes Heavy Metals & Virus

- Impregnated with silver
- Up to 8 litres per hour for 2 cartridges installed
- Town/city chemical treated water & rain water

- Fits standard filters
- 0.9 Micron absolute filtration
- Wash clean ceramic outer

- Removes Chlorine & Chloramine
- Blocks Bugs & Bacteria
- Tasty Water with Minerals Retained

- Removes dirt & sediment
- Eradicates 100% of bacteria & virus
- Elevates acidic water to 7pH

- Up to 5 micron filtration
- With anti-bacterial properties
- Easy to use

- Removes chemicals in water
- Eliminates metal taste
- Restores water alkalinity

- Ultimate Post RO filter
- FDA Certified Cartridge
- Quality Guaranteed

- Lift pH, create Alkaline water
- Adds essential minerals
- Fits standard filter housings

- Removes sediment
- Removes Heavy Metals & Virus
- Elevates low pH water to 7pH Neutral

- Elevates water pH from below 7
- Protect your house plumbing fixtures/copper from corrosion and degradation
- Ensure Neutral to slightly Alkaline water

- Blocks Sediments, Algae, Dirt, Particles, etc.
- Improves taste & odor
- Great for gravity or low pressure systems

- Highly recommended for town
- Chlorine, Bacteria Gone
- Removes Heavy Metals

- Sediment + Carbon block cartridges
- Reduces herbicides
- Improves taste, smell and quality

- 2 in 1 Cartridge filtration
- Plus raises water's pH
- Easy to replace

- Replacement Cartridge Pack
- 20" x 4.5"
- Twin Big Blue Whole House

- HPF 20" x 4.5"
- Whole House
- Big Blue

- Stefani
- Gravity Purifiers
- 2 stages

- Stefani
- Low Pressure
- Cartridge Filter

- Removes Chlorine & Chloramine
- Blocks Bugs & Bacteria
- Tasty Water with Minerals Retained

- Great on rainwater tanks
- Repels cysts and bacteria
- Wash clean easy

- Removes sediment
- Quality product
- Fits standard filter housings

- Removes sediment
- Quality product
- Fits standard filter housings

- Taste & Odour Reduction
- Stops bacteria reproducing
- NSF Certified

- Produces alkaline water
- Neutralises low pH
- Neutralises water pH after RO

- HPF 20" x 4.5"
- Whole House
- Big Blue

- Replacement Cartridge
- K Series
- Size: 10"

- 2 in 1 Cartridge filtration
- Removes chlorine
- Improves taste, smell and colour

- Removes dirt & sediment
- Stops bugs not bacteria
- Carbon cartridge for tasty water

- Pleated Sediment
- Suit 10" Big Blue
- 100% Polypropylene Fibre

- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre

- NSF Certified
- Carbon Block
- 20' x 4.5'

- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre

- Sediment Filter
- Economical cost
- 100% Polypropylene Fibre

- Adds benificial minerals
- Elevates pH to high pH
- Made in the USA

- 0.2 - 0.5 micron Ceramic Cartridge
- Last for a year
- Easy to install