If you have started making concrete filter containers, you'll have discovered that it can be tricky. How well you prepare the concrete, pour the filter, and remove the filter from the mold impacts the quality. The higher quality you make your containers, the longer your filters will last!
Check out the resources below for guidance on building a high quality filter container. Following these instructions will go a long way in avoiding crumbling and cracked filter bodies, and lost time and money building new containers.
Videos:
- Mixing concrete
- Preparing the mold
- Pouring the concrete filter box
- Quality check and curing the concrete filter
- Demold and check wet and dry concrete mix
Documents:
- Precautions for working with cement: BSF construction manual page 18
- Instructions for preparing the mold, pouring the filter, and demolding: BSF construction manual pages 46-52
- Doing a slump test
- Concrete body quality test