Bio Bizz Allmix 20L, 20 Litre, 20ltr. All Mix

The soil mixture now needs to be lightly wetted in order for it to humidify. To the 1000 litres of soil add 50 litres of Pre-Mix and 100 litres of Worm-Humus and mix thoroughly. Do not reuse potting soil that has been infested severely by parasites.

eBay