JBL Macro-element fertiliser ProScape K

Additional nutrients for plants: complementary potassium fertiliser for aquascaping aquariums. The dosage depends on the light level, CO2 supply, and consumption. Supports vigorous plant growth and prevents potassium deficiency. Check the dosage with the JBL Potassium test. Included in the: 1 bottle of ProScape K Macroelements. Daily use in very bright aquariums with CO2: 6 ml/100 l. Low light without CO2: 4 ml/100 l, once a week.