Pepin Houseplant Serum

From lovely French plant care brand, Pepin is this handy houseplant fertilizer for healthy indoor plants.

Their liquid fertilizers are made in Brittany from locally harvested seaweed and plant extracts including nettle. Simply add 3 drops of the houseplant serum to 250ml of water during the growing season (March to October) and use every other time you water your plants.

Each bottle contains 60ml which makes approximately 150 liters of fertilizer.