MasterLine All In One

MasterLine All In One

  • Micro- and macronutrient allround fertiliser
  • Contains N, P, K, Mg, Fe, Mn, Zn, B, Cu and Mo
  • Daily or weekly dosing
  • Recommended use with MasterLine Carbo
  • Available in 500 ml and 1000 ml
In stock, only 11 left
Free shipping on orders over € 60,- within Germany Change region
Express delivery possible
1-3 business days - order within the next 4 hours and 12 minutes and we’ll deliver tomorrow at the earliest
I want to order to 
€ 39,90 / l
incl. VAT
plus € 5,90 Shipping
Item is now in your shopping cart!
View my cart

Item question

We’re here for you!

Please enter your question and e-mail and we’ll contact you as soon as possible. It usually takes us up to 24 hours during business days to respond.

Thank you for your question!

Thank you, we’ll get in touch!

Close window

You already sent us a question.

Please wait a few minutes


MasterLine All In One and MasterLine All in One Boost are concentrated micro- and macronutrient combination fertilisers for aquatic plants. They contain nitrogen, phosphorus, potassium, magnesium, iron, manganese, zinc, boron, copper and molybdenum. It is recommended to use MasterLine All In One and Masterline All in One Boost together with MasterLine Carbo. This way the aquatic plants have all the nutrients they need for healthy growth. MasterLine All In One (boost) offers the option of weekly dosing.


  • Available in 500 ml, 1.000 ml and 5.000 ml unit sizes
  • Contains nitrogen, phosphorus, potassium, magnesium, iron, manganese, zinc, boron, copper and molybdenum
  • Complete supply with micronutrient and macronutrient
  • Offers daily or weekly dosage
  • Suppresses GSA, BGA and staghorn algae and prevents iron deficiency.


Daily dosage
1 ml per 30 litres

1 ml / 30 L = 1,5 ppm NO3, 0,2 ppm PO4, 1,5 ppm K, 0,12 ppm Mg, 0,09 ppm Fe

The dosage recommendation is only a guideline. The dosage of the fertiliser can be lowered or increased depending on the aquarium to achieve optimal success.

Manufacturer's information

MasterLine All in One Boost Ingredients

  • Nitrate (N): 1,02 %
  • Phosphate (P): 0,20 %
  • Potassium (K): 4,5 %
  • Magnesium (MG): 0,36 %
  • Iron (Fe): 0,27 %
  • Manganese (Mn): 0,073 %
  • Zinc (Zn): 0,047 %
  • Boron (B): 0,041 %
  • Copper (Cu): 0,009 %
  • Molybdenum (Mo):0,006 %

MasterLine All in One Ingredients

  • Nitrate (N): 0,81 %
  • Phosphate (P): 0,20 %
  • Potassium (K): 4,8 %
  • Magnesium (MG): 0,36 %
  • Iron (Fe): 0,27 %
  • Manganese (Mn): 0,07 %
  • Zink (Zn): 0,05 %
  • Boron (B): 0,04 %
  • Copper (Cu): 0,009 %
  • Molybdenum (Mo):0,006 %


Use in combination with activated carbon or UV lamps is not recommended, as the use of these substrates or tech can alter the nutrient properties. Shake bottle well before use. Store in a cool place without direct sunlight.



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.

General information

Item no.
EAN 9355478926187
Weight 1,20 kg
Shipping weight 1,60 kg

Customers ask customers

You have questions about this product? Ask other customer or our support team about this product!

Customer reviews

This item has not been rated
Please sign in if you want to write a review. Sign in
5 Stars(0)
4 Stars(0)
3 Stars(0)
2 Stars(0)
1 Star(0)