Description
Guanokalong Powder is a premium organic bat guano fertiliser from the Dutch brand Guanokalong, providing one of the most nutrient-rich and biologically active organic fertiliser materials available to UK cultivators. We have been recommending Guanokalong products to UK organic and biologically oriented growers since 2017 as an exceptional natural source of plant nutrition — particularly phosphorus and nitrogen — that works with and enhances soil life rather than bypassing it.
Why Guanokalong Is Considered the Premium Guano Standard
Guanokalong is produced from the accumulated guano of cave-dwelling fruit bats — a source known to produce a high-phosphorus, high-nitrogen guano with a naturally diverse microbial population. The specific nutrient profile of Guanokalong powder makes it particularly well-suited for use during the flowering stage, when phosphorus demand peaks and organic phosphorus sources provide a natural, sustained release that complements the biological cycling processes already active in a living soil environment.
Beyond the primary nutrient content, the natural microorganisms present in quality bat guano — beneficial bacteria, mycorrhizal spores, and the enzyme-producing organisms that break down organic matter — are inoculated directly into your growing medium with each application. This biological enrichment builds soil fertility over time, making successive grows in the same or similar media progressively more productive.
Application Methods and Dosing
Guanokalong Powder can be incorporated into potting mixes before planting at the manufacturer’s recommended rate, applied as a top-dressing to established plants, or dissolved in warm water and applied as a liquid feed. When used as a liquid, allow the powder to steep in warm water for 24 hours, then strain and apply the liquid portion to your growing medium.
Excellent for use in organic soil mixes, living soil approaches, and biologically active growing media. Pairs with Plagron Megaworm, Hydrotops Bactivator, and quality beneficial microorganism inoculants for a comprehensive biological soil programme.








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