In stock, only 4 left
  • For aquariums with less or no livestock
  • Perfect for aquascapes
  • Contains additional potassium, calcium and magnesium
  • Recommended level: 10 – 30 mg/l nitrate
  • The dosage can be checked with the JBL nitrate test
In stock, only 17 left
  • For all aquarium with less livestock
  • Perfect for aquascapes
  • Contains nitrate, phosphate, potassium and magnesium
In stock, only 10 left
  • Phosphate fertiliser
  • Recommended level: 0,1 – 1,5 mg/l
  • The dosage can be checked with the JBL phosphate test
In stock
  • 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
In stock
  • Allround fertiliser with micro- and macronutrients
  • Contains N, P, K, Mg, Fe, Mn, Zn, B, Cu and Mo
  • Especially for more difficult aquatic plants
  • For healthy and robust plant growth
  • Combination with MasterLine Carbo recommended
In stock
  • Allround fertiliser with micro- and macronutrients
  • Contains N, P, K, Mg, Fe, Mn, Zn, B, Cu and Mo
  • Daily dosing
  • Especially for tanks with soil
  • Combination with MasterLine Carbo recommended
In stock
  • For intense red pigmentation
  • No nitrate formula
  • Contains micro and macronutrients
  • Simple dosage
Price on request
In stock
  • Efficient liquid carbon supply
  • Suitable as a single carbon source
  • Daily dosing
  • Inhibits algae growth
Price on request
In stock
  • Micronutrient fertiliser
  • Contains iron, manganese, cinc, boron, copper and molybdenum
  • Daily or weekly dosing
  • Recommended use with MasterLine II and MasterLine Carbo
Price on request
In stock
  • Macronutrient allround fertiliser
  • Contains nitrogen, phosphorus, potassium and magnesium
  • Daily or weekly dosing
  • Recommended use with MasterLine I and MasterLine Carbo