Bat guano

Bat guano

Guano is a natural, organic fertilizer obtained from bat and seabird droppings. It's rich in essential nutrients for the growth of cannabis plants. In this category, you'll find products from renowned brands such as Guanokalong, Guano Diffusion, Plagron, and Top Crop, ideal for both the growth and flowering phases. It provides phosphorus, potassium, and micronutrients gradually, improving plant health, flavor, and final yield.

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Featured products in Bat guano

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From 6.35€ 8.50€

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From 11.40€ 16.34€

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13.95€ 19.96€

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Featured offers Bat guano

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From 11.40€ 16.34€

-30%

13.95€ 19.96€

-30%

13.95€ 19.96€

-30%

From 11.40€ 16.34€

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Buy Bat guano

16 products Filter tune
It's Guano
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Superguano

Alchimia presents Superguano by Top Crop, a natural fertiliser perfect for enriching our cultivation s [...]

  • 1kg 8.50€ 6.35€
  • 5kg 35.00€ 26.25€
UP TO 15%

PLAGRON SuperMix

SuperMix from Plagron is a mixture of organic fertilisers designed to enrich all types of soil in an efficient and durable way.It promotes an explo [...]

  • 1L 17.61€ 14.95€
  • 10L 45.00€
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Guanokalong Granular Guano

These high quality Bat Guano granules are a 100% natural fertilizer that provides all the Macro and Micro elements necessary for good root structure, flowering and maturing, thus obtaining [...]

  • 1 Kg 16.34€ 12.25€
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Fertiliser Kit Guanokalong

Guanokalong is a trademark of fertilisers specializing in fertilisers from bat guano both in liquid as in powdered or granulated format.In this fertiliser kit w [...]

  • 57.06€ 39.90€
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Plagron Bat Guano 5L

While everyone sleeps, nature produces the best product for feeding plants. Bat Guano is the most balanced and potent fertilizer for plants [...]

  • 1 L 14.15€ 13.40€
  • 10 L 68.00€ 64.60€
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Guanodiff Bloom

Guanodiff Bloom flowering fertiliser has been developed by Guano Diffusion from bat guano and beet molasses vinasse, for a generous harvest of flowers heavy with [...]

  • 500g (Out of stock) 8.90€ 8.00€
  • 1Kg (Out of stock) 13.90€ 12.50€
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Guanokalong bat guano Powder

Guanokalong Powder is a 100% natural and odourless fertiliser containing bat and seabird guano. Guanokalong Powder provides a complete presence of macro and micro nutrients [...]

  • 1 Kg 16.34€ 11.40€
  • 5 Kg 51.42€ 35.95€
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Guanokalong Bloom liquid

Guanokalong Bloom is a 100% natural fertiliser for bloom from IndonesiaThis fertiliser especially for marijuana is made of seabird and bats dun [...]

  • 1 L 19.96€ 13.95€
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Mealworm Guano

Alchimiaweb adds this exceptional product manufactured by Terralba to its catalogue: Ténébrion Meunier castings, also know as mealworm. [...]

  • 250g 10.90€ 9.80€
  • 500g 16.90€ 15.20€
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Guanokalong Lava + Worm Humus 5 Kg

Alchimia presents here Guanokalong's Lava + Worm Humus, a solid fertilizer rich in nutrients and oligoelements for cannabis plants. It is made of volcanic rocks from Java i [...]

  • 26.62€ 19.95€
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Guanokalong BatBoost K2 Liquid 1L

Guanokalong presents BatBoost K2, a 100% organic liquid fertilizer ideal to get the most out of your crops and improve the flavor of the buds, either for outdoor o [...]

  • 21.78€ 15.20€
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Guanokalong Complete Organics 1L

Guanokalong Complete Organics is a solid fertilizer with a balanced and complete mix of organic nutrients, which is included in the GK Organics range of products. [...]

  • 21.78€ 15.20€
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Guanodiff Classic's Powder

Guanodiff Classic's Powder is a bat guano fertiliser developed by Guano Diffusion and specially adapted to provide all the nutrients needed for the growth [...]

  • 500g (Out of stock) 7.90€ 7.10€
  • 1 Kg (Out of stock) 9.90€ 8.90€
  • 3 Kg 25.00€ 22.50€
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Guanokalong Extract

Guanokalong Extract is a 100% natural and odourless supplement which contains guano from bats. Guanokalong Extract  [...]

  • 1 L 16.34€ 11.40€
  • 5 L 48.40€ 33.85€
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Guanokalong Black Pellets

Alchimia presents here Guanokalong Black Pellets, formerly called Guano Black, a mix of guano and humic acids in the form of granules, ideal to enrich [...]

  • 1 kg 21.78€ 16.30€
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Guanokalong Grow liquid

Guanokalong Grow is a fertiliser for the growing of marijuana 100% natural and effective. This fertiliser is suitable for growing marijuana ind [...]

  • 1 L 19.96€ 13.95€

Continue reading about: Bat guano

What is guano, and why is it so valued in farming?

Guano is a 100% organic fertilizer formed from the accumulation of bat or seabird droppings in protected environments. Over time, this material naturally mineralizes, resulting in a fertilizer extremely rich in phosphorus, potassium, and other micronutrients, essential for root development, flowering, and resin production.

In addition to providing nutrients, guano improves the microbial life of the substrate, naturally balances the pH, and promotes soil structure. It's an effective, sustainable solution with proven results in organic farming.

What types of guano can you find?

At Alchimia, we work with different formats and compositions to adapt to each type of crop and phase:

  • Powdered guano: It can be mixed directly into the substrate or applied as a top dressing. It releases nutrients slowly and progressively.
  • Liquid guano (such as Guanokalong): ideal for irrigation applications, with faster absorption. Perfect for advanced flowering or cocoa crops.
  • Guano mixes: Some fertilizers combine guano with other ingredients such as seaweed, humus, or mycorrhizae to further enrich the soil.

What benefits does guano offer?

  • More explosive flowering thanks to its high phosphorus and potassium content.
  • It enhances the flavor and aroma of the flowers, providing more intense and natural nuances.
  • Stimulation of microbial life, essential in organic crops.
  • Long-lasting and safe effect, without risk of over-fertilization if used correctly.
  • Versatility: Suitable for soil, coco coir, and homemade mixes, for indoor and outdoor growing.

Furthermore, guano is compatible with other liquid fertilizers or stimulants, provided that a balanced dose is respected.

Featured brands at Alchimia

  • Guanokalong: a benchmark in 100% natural bat guano, highly valued for its slow release and powerful results.
  • Guano Diffusion: a mixture of guano with algae and other compounds that stimulate soil life.
  • Plagron: liquid guano ideal for flowering, fast and effective.
  • Top Crop: affordable and comprehensive options for organically improving flowering.

 

Frequently asked questions about guano for cannabis cultivation

Can guano be used at any stage of cultivation?

Yes, although its use is more common during flowering. During growth, it can provide phosphorus for root development if combined with nitrogen.

Can I combine guano with other fertilizers?

Yes, but it's recommended to do so in moderation. Guano is potent on its own; combine it only with compatible, organic products to avoid excess.

What type of guano is better: powder or liquid?

It depends on the application. Powdered guano is ideal for mixing into the substrate or slow-release applications, while liquid guano offers faster results and is ideal for frequent watering.

 
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