Preparation of rockwool sheet

Rockwool sheets and cube sheets need to be soaked and rinsed in order to remove dust and stabilize their pH.

  1. Take dry rockwool sheet
  2. Place rockwool sheet into a perforated 1020 tray
  3. Place perforated 1020 tray into a solid 1020 tray
  4. Place all into sink, rinse with cold water until tray overflows and fully soaks rockwool
  5. Agitate so that loose dust floats
  6. Pour off water into sink
  7. Repeat rinsing process 1x more
  8. Lift inner perforated tray, wait for water to drain into sink
  9. Place into a dry solid tray on workbench