There are two types of seed raising/potting mixes you can purchase from BPT:
1. Mixes made with from your own recipe and ingredients tailored to your requirements.
2. A tried and tested BPT recipe from our variety of mixes.
We can add high quality peat, fertilizers, coarse or fine pumice, lime, dolomite and all the other goodies that make plants flourish.
The base for all BPT potting mixes is growers bark fines and Calcium Ammonium Nitrate - 27% nitrogen and 8% calcium as calcium carbonate (lime).
Growers bark is a well composted base, of which a composting period and processing procedure is strictly followed.
All BPT growers bark is independently tested before use and samples of this product are regularly checked for PH, pathogenic fungi and sterility.