MasterLine RootMAX

4.7(27)

$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 RootMAX — Organic Slow-Release Root Fertilizer

Transform any inert substrate into a thriving root zone. MasterLine RootMAX is a 100% natural organic pellet fertilizer that delivers a comprehensive blend of nutrients directly to plant roots — gradually releasing over 6 to 12 months for sustained, healthy growth.

Key Features

100% natural organic pellets — no synthetic chemicals, safe for all aquatic life including sensitive shrimp
Slow-release formula — consistent nutrient delivery for up to 12 months
Complete nutrient profile — micro and macro nutrients plus amino acids, vitamins, hormones, and enzymes
Humic & fulvic acids — supports root development and nutrient uptake efficiency
Beneficial microorganism colonisation — promotes a living substrate for enhanced plant health
Replenishes depleted substrates — revitalise old setups or enrich new ones from day one

Whether you're setting up a new aquascape or refreshing an established tank, MasterLine RootMAX gives your plants the deep-rooted foundation they need to truly thrive.

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: 20 (74%)
4 stars: 7 (26%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

Reliable

Consistent results in my root feeders. Part of my routine now.

Easy and effective

Simple to use and the results speak for themselves. Recommend.

Happy customer

Lush new growth in my root feeders. Will buy again.

Great addition

Filled the gap my liquid ferts couldn't reach. Plants responding well.

Effective

My root feeding plants have really responded. Greener and growing strong.

Happy with them

Easy to push in and my plants are growing strong. Great little tabs.

Top product

My substrate plants have never been healthier. Will repurchase.

Easy to use

Just push them into the substrate and let them do their thing. My plants are thriving.

Highly recommend

Made a big difference to my carpet and sword plants. Will buy again.

Brilliant for root feeders

My crypts and swords have never looked better. Easy and effective.

Solid product

Simple to use and clearly working. Plants are putting out healthy new leaves.

My plants thank me

Lush growth since I started using these. A must for root feeding plants.

Brilliant

Made a real difference to my substrate plants. Easy to use.

Great results

Within weeks my substrate plants were noticeably healthier and greener.

Plants thriving

Noticeable difference in growth and colour. Great root tabs.

Excellent

Big improvement in my heavy root feeders. Worth every cent.

Great for substrate plants

Targeted nutrients right at the roots. My plants are loving it.

Work a treat

Noticed a real difference in my heavy root feeders. Lush new growth since adding these.

Does the job

Root feeders responded well. No tank cloudiness when inserted properly.

Great root tabs

Easy to use and my swords and crypts are growing noticeably faster. Recommend.

Recommend these

Easy to use and my heavy feeders love them. Good value.

Recommend

Easy to use, effective, good value. Plants love them.

Lush growth

My swords exploded with new growth after adding these. Fantastic.

Good value

Plenty in the pack and they last for months in the substrate. Great results.

Works well

Root feeders perked up nicely. Easy to use too.

Effective and easy

Pushed them in and my crypts took off. Excellent.

Good buy

Plenty in the pack and clearly effective. Plants are thriving.