Guanokalong Lava Worm - Source is countless volcanoes in Java and natural worm humus. It promotes the healthy growth of your plants without the addition of large amounts of other fertilizers. Volcanic soil also contains a variety of rare elements that are not found in conventional fertilizers.
Dosage: Mix with the substrate in a ratio of 1:10 or use as a top dressing in an amount of 5 l per square meter.