About Guanokalong

There's something for every grower. GK-Organics

Guanokalong and GK-Organics are brands of Femeg. Femeg is a proud initiative of Dutch founder Egbert van Meggelen.

Femeg only collects the best resources from around the world and delivers only 100% organic products to your customers. Customers who care that their plants only receive fertilizer of the best quality.


What exactly is bat guano?

Java and Madagascar

In the coastal caves of Java and Madagascar, bats have lived for centuries in an untouched and completely natural environment. They feed on insects and fruits from their environment. Over the centuries, their feces have naturally decomposed into an odorless compost.

Harvesting by hand

This rich and natural resource is harvested with respect for the environment and animals and under the supervision of local authorities.

Not with loud machines, but simply with spatulas and oil lamps.

What about the rest?

Additional resources

Additional organic resources are sourced from other parts of the world from exclusively organic certified suppliers. For example, palm ash from Sumatra and algae powder from Norway. Some other suppliers come from the Netherlands, Belgium and Germany.

Premium Dutch blend

All organic raw materials first come together in Aalten (NL), where two to four employees process them into well-proportioned, balanced products. From here, the premium products find their way to numerous garden centers, potting soil producers, organic farmers and distributors throughout Europe.

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