Pacific Substrates Paddy Poo

This blend is specifically formulated for compost-loving mushroom varieties, such as Agaricus bisporus (button, cremini, and portobello mushrooms). It provides the nutrient-rich environment these species require for healthy mycelial growth.

No, the substrate arrives fully sterilized and pre-moistened to field capacity. It is ready for immediate use, so you can inoculate it directly with your grain spawn without any additional preparation.

Yes, the substrate is highly versatile and works effectively in tubs, bags, or dedicated mushroom beds. Its balanced composition ensures consistent moisture retention and structure regardless of the container type.

The substrate has a pH of 7.1, which is slightly alkaline. This specific pH level is ideal for compost-loving mushrooms, as it helps prevent contamination while supporting the rapid colonization of your chosen species.

While ratios can vary based on your specific cultivation method, a common starting point is a 1:2 or 1:3 ratio of grain spawn to substrate. You want to ensure even distribution throughout the medium to encourage faster colonization.