MasterLine All In One Lean

4.7(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 All In One Lean — Precision Fertilizer for Controlled Growth

Designed for the discerning aquascaper, MasterLine All In One Lean delivers complete micro and macro nutrition in a single formula — calibrated for slow-growing plants, lean setups, and professional contest layouts where stability and precision matter most.

Key Features

Lean nutrient profile — limits water column nutrients to encourage substrate feeding
Stronger red pigmentation — nutrient-limited approach intensifies colour in red plant species
Compact, controlled growth — ideal for maintaining tight, sculpted layouts
Contest-ready stability — formulated for high-stability, low-maintenance professional setups
500ml — ideal size for smaller tanks or to try before committing to the 1000ml

Whether you're preparing for a competition or simply prefer a cleaner, more controlled aesthetic, MasterLine All In One Lean keeps your aquascape exactly where you want it.

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: 5 (19%)
3 stars: 2 (8%)
2 stars: 0 (0%)
1 star: 0 (0%)

Great results fast

Saw a difference in under a week. Highly recommend for any planted setup.

Easy to use

Simple dosing and good value. My plants are thriving and pearling more than ever.

Highly recommend

Great bang for buck. A bottle lasts ages and the results speak for themselves. My plants are vibrant and healthy.

Works well

Solid all rounder fert.

Recommend

Easy dosing, great growth, no algae.

Great fertiliser

Does the job nicely. No algae issues when dosed correctly.

Fantastic

My scape has filled in beautifully since using this.

Part of my routine

Dose this with my other Masterline bottles and the results are excellent. Well worth it.

Quality fert

You can tell it's a premium product. My plants have never looked better since switching.

Top fert

Does exactly what it promises.

Strong growth

Had to trim twice as often since using this. Plants are clearly loving it.

Lush growth

Within a fortnight my carpet started spreading properly. Clearly providing what my plants were missing.

Reliable

Consistent growth every time. A staple in my dosing routine now.

Good product

Steady improvement in plant health. No staining or cloudiness in the water.

Plants love it

Noticeable difference in growth within a couple of weeks. My stems are greener and fuller. Easy to dose with the cap measurements.

Effective

Clear improvement in plant vigour and colour. Will buy again.

Noticeable difference

My previously struggling plants have bounced back. Greener, fuller and growing fast.

Pro level

The Masterline system has taken my tank to the next level. Clean, healthy, vibrant growth.

Excellent

Plants greened up within days and growth has been strong ever since. Will repurchase.

Good value fert

Affordable and effective. My whole tank looks healthier since I started dosing.

Precise dosing

Love that I can target exactly what my tank needs with this range. Plants responding brilliantly.

Brilliant results

My aquascape has never looked healthier. New growth everywhere and the colours have really popped since I started using this.

Solid choice

Reliable results and a generous bottle. My planted tank is thriving.

Happy with results

Easy to use and effective. My stems are growing noticeably faster.

Does the trick

Healthy growth and no downsides. Good value too.

Love it

Best fert range I've used so far.