MasterLine Root Caps

MasterLine Root Caps

  • Intensifies the colours in the aquarium
  • Contains all the nutrients plants need
  • Develops a healthier root system
  • Helps in the development of difficult plants
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MasterLine Root Caps are fertiliser capsules that continuously supply your plants with all important nutrients over a longer period of time. The nutrients are released directly to the roots of the plants. This way, they bring nutrient-depleted soils back to life. In addition, they capsule ensure a healthier and better developed root system of the plants. The fertiliser capsules also help in the proper development of difficult plants.


  • Delivate all important nutrients for the plants
  • Structured and developed a healthy root system
  • Intensifie the colours in the aquarium
  • It bring nutrient-deep soils back to life
  • One capsule is approx. 22 x 9 mm in size


The capsules are placed deep under the plants with the help of tweezers, while the capsules should have a distance of 10cm from each other. In addition, the capsules with the addition of MasterLine fertilizer can be placed in the basin with soil or gravel substrate. The granules have no influence on the water quality and can be extracted easily after consumption.


Do not swallow the fertiliser balls.

Keep out of reach of children.

After about 3 months the capsules should be renewed.

Product safety


Signal word: Attention

  • H412 Toxic to aquatic life with long-lasting effects

Precautionary statements in accordance with GHS

  • P332 + P313 If skin irritation occurs: Get medical advice/attention.
  • P501 Dispose of container according to local regulations.
Product Safety Sheet German



MasterLine was founded in 2016 out of passion for aquaristics, which has since become the brand's slogan. Masterline fertilisers contain a balanced mix of nutrients that are essential for the healthy growth of aquatic plants. The Masterline fertiliser system is designed to be particularly effortless to use and takes the user by the hand with a very simple concept. The specially calculated compositions provide the aquatic plants with all the necessary macro and micro nutrients and ensure good growth and vibrant colours.

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Mathias C.
Tropica > Masterline root caps.
30th March
MasterLine - Root Caps
MasterLine - Root Caps

The capsules are made with an orange cap ish, that begins to bloat when dipped in water. The day after I put the caps in the substrate they began to raise and blot sticking out... (read more)