MasterLine FilterMAX

4.6(26)

$100.00 away from free WA delivery Free delivery over $100 in WA ($150 elsewhere in Australia).

Free pickup in KenwickOpen Tue to Sat, 12pm to 6pm

Complete the scape

Picked by our team to go with this.

About this product

MasterLine FilterMAX — High-Performance Biological Filter Media

Give your beneficial bacteria the best possible home. MasterLine FilterMAX is crafted from 100% natural materials with extreme porosity, delivering a massive surface area for nitrifying bacteria to colonise and thrive — in both freshwater and saltwater aquariums.

Key Features

Extreme porosity — maximises surface area for beneficial bacteria colonisation
6–12 mm size — optimised shape ensures full filter volume utilisation without restricting flow
100% natural materials — safe for all fish, plants, and invertebrates
Freshwater & saltwater compatible — versatile across all aquarium types
1000ml volume — ideal for smaller filter systems

By efficiently breaking down ammonia and nitrite, MasterLine FilterMAX keeps your water chemistry stable and your aquascape thriving long-term.

Delivery and returns

Free delivery over $100 in WA and $150 elsewhere in Australia. Free pickup from our Kenwick store, Tue to Sat, 12pm to 6pm.

Returns policy

5 stars: 19 (73%)
4 stars: 4 (15%)
3 stars: 3 (12%)
2 stars: 0 (0%)
1 star: 0 (0%)

Excellent

Conditions the water nicely and the results are clear. Great buy.

Happy with it

Easy to use and effective. Lasts a long time too.

Good stuff

Does what it claims and helps keep my parameters in check. Recommend.

Value for money

The concentration makes this great value. Works a treat.

Reliable

Consistent results and easy to dose. Part of my routine now.

Highly recommend

Helped stabilise my tank and the plants and fish are happier for it.

Good value

Concentrated so a bottle lasts a long time. Great price for the quality.

Concentrated and effective

Only need a small amount. Lasts ages and works perfectly.

Very pleased

Effective and economical. Tank is healthier for it.

Great addition

Improved my water parameters noticeably. Quality product.

Does the job

Use it as directed and it's made a real difference to my water stability. Easy to dose and effective.

Easy to use

Clear dosing instructions and works as described. Happy with it.

Works well

Easy to use and effective. Noticed an improvement quickly.

Great product

Reliable and effective. Helped me dial in my parameters nicely.

Great for stability

Keeps my parameters where I want them. A must have for my setup.

Essential

A useful addition to my dosing routine. Does exactly what it should.

Solid choice

Does the job every time without fuss. Lasts ages.

Top product

Best in its category I've used. A little treats a lot.

Perfect

Small dose makes a real difference. My go to for this now.

Does what it says

Effective and easy to dose. No complaints at all.

Recommend

Effective, concentrated and great value.

No fuss

Just works. Easy to dose and keeps things stable.

My go to

Switched to this and won't go back. Effective and economical.

Reliable additive

Consistent results and gentle on the tank. Will repurchase.

Great buy

Concentrated, effective and good value. Highly recommend.

Trusted

Use it across my tanks. Consistent and reliable every time.