This amazing MasterLine fertilizer is a game changer for my plants. Loving the combination of using All In One Lean and Carbo in my tanks and no more algae in sight.

I have been using MasterLine for many years and am very satisfied. As long as you follow the dosing instructions, everything goes by itself. The plants love the product and they thank you with their beautiful growth.

Paint your canvas with MasterLine! A fantastic range of products that suit all levels of enthusiasts, whether you like it simple or to have complete control. Does exactly what it says!

The plants are an important part of every scape. I rely on the MasterLine range to provide color and good growth. This is the only way I can provide shape, textures, and especially naturalness, to an aquascape.

Fertilizers have always been a hot topic in aquaristics. Thanks to MasterLine, it has now become much easier to supply your aquarium perfectly, giving you more time to focus on aquascaping and livestock .

Why do I recommend MasterLine products? It's simple:
1. Easy to use
2. Suitable for beginners or professionals
3. Your plants will grow healthy
4. Unbeatable performance / price ratio

Masterline I, II and Carbo is my favorite fertilizer formula. It provides all the nutrients my aquatic plants need. It's easy to use and has several dosing options. I can use it for strong and fast growth or even for slow growing plants. The color of my aquatic plants is remarkable.

MasterLine is not just a brand, it's a concept that is always improving, progressing, diversifying, seeking to understand the needs of the aquarist and to meet these needs with an exceptional product at an affordable price. I recommend it to all aquarists no matter what level they are at.

I have tried many fertilizer systems and many worked well. However, I was never completely satisfied with the densely planted aquariums and the demanding plants. MasterLine made possible what other fertilizers could not.

MasterLine is the fertilizer used in our family for over 4 years. It gives us the joy of growing beautiful and healthy plants from those with easy requirements to those with a high degree of difficulty, without problems. It's an easy fertilizer system to be used by both beginners and experienced aquarists.

MasterLine has state-of-the-art products to take care of your plants. I like AIOs because they are a very simple and efficient way of fertilizing, which offers very good results. It's my daily method of fertilizing all my aquariums.