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NitroGuano by Top Crop is a fertilizer rich in slow-releasing nitrogen. It’s organic and perfect for your plants growth period.

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NitroGuano by Top Crop is a fertilizer that’s used by mixing it with your plants’ soil. It contains high amounts of nitrogen that is released slowly and continuously. This is a 100% natural product that’s incredibly effective during the growth period.

When using organic substrates you should always use some bat guano as well to increase the size of your plants’ flowers. Nitroguano is the perfect product for your plants’ growth period.

Give your plants natural nitrogen and they will take it and grow incredible healthy and large – you won’t even need to use any other growth fertilizers. It’s super easy to use; simply mix it into your soil when preparing it and it’ll have a constant effect for around two months. Your plants will grow much stronger and will also be protected from insect infestations and pathogens.

You won’t need to use any liquid fertilizers at all, simply water your plants and this guano will begin to do its job behind the scenes. It’s perfect for outdoor grows although it can also be used indoors.

Dosage and how to use NitroGuano by Top Crop:

  • When growing indoors you’ll need to mix around 250g per 50L of substrate. You can use twice the amount, although we recommend going with the lower amount and topping your plants up with liquid fertilizers if needed – if you overfertilize in your substrate there’s not much you can do to fix it. You can repeat this dosage every two months for mother plants.
  • Use the same amount outdoors, and when growing in the ground use 100g per plant. Make a small path in the soil around your plant’s trunk, about 15cm away from it, and add in your NitroGuano before covering the hole up. It’ll start filtering through when you water. Repeat this process every two months until two months before summer time, which is when it’ll begin to flower.


  • 3% Nitrogen
  • 1,5% Phosphorous.
  • 0,5% Potassium.
  • 0,5% Magnesium.
  • 1,3% Humic extracts.
  • Boron.
  • Copper.
  • Iron.
  • Manganese.
  • Zinc.



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