Choosing a water filtration system can feel overwhelming. With so many options available, it's not always easy to know which one is right for your home.

The best system depends on what you want to remove, where your water comes from, & how you use it. Some filters simply improve taste & odour, while others are designed to reduce chlorine, PFAS, heavy metals, sediment, pesticides, microplastics, & other unwanted contaminants.

It's also important to consider your water source. Homes connected to mains water, rainwater tanks, bore water, or other private supplies all have different filtration needs. Your lifestyle also plays a role — whether you own your home, rent, or travel in a caravan or motorhome can influence which system is the best fit.

This guide explains the most common residential water filtration systems available in Australia, along with their advantages, limitations, & what to look for before buying.

1. Water Filter Jugs

Water filter jugs are one of the most affordable & popular ways to improve drinking water. They require no plumbing, making them ideal for renters, students, caravans, motorhomes, holiday homes, or anyone wanting a simple solution. Most jugs use an activated carbon cartridge to improve the taste & smell of tap water by reducing chlorine & some organic compounds.

Pros: Affordable, no installation required, portable, improves taste & odour.
Cons: Slow filtration, small storage capacity, only filters drinking water, cartridges require frequent replacement.
Buying Tip: Choose a BPA-free jug with an activated coconut shell carbon cartridge for better performance.

2. Tap-Mounted Water Filters

Tap-mounted filters attach directly to your kitchen tap, providing filtered water whenever you need it. They are inexpensive, easy to install, & a popular option for renters who can't modify plumbing. Most tap filters reduce chlorine, improve taste & odour, & remove some sediment, but their filtration capacity is lower than under-sink or whole-home systems.

Pros: Inexpensive, easy installation, compact design, no plumbing modifications needed.
Cons: Only filters one tap, lower flow rate, limited cartridge life.