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- #141
Yes, that is exactly the one I'm using. And as you say it isn't a huge dose I have used. 1/8 cup is 2 tablespoons (30ml), plus 2 tablespoons of the Blood n Bone, with slightly less for the smaller pot.Looks like a great supersoil ingredient! Guano Phosphate Fertiliser | Fertile Fields Ltd
Worth noting: this guano phosphate product has a pH value of 8+, so it is said to offer a "liming effect" of raising pH. The amount you are going to use in your 50 gallon container is not going to move the needle there, but it's good to know.