- Battery Operated Air Pumps
- Adhesives
- Pump failure info
- Canvas tank
- Bell siphon -v- Float switch and or timers.
- Battery back up Air Supply
- Winter heating of Fish tanks - What is your plan this winter ?
- Siphon Inner pipe size.
- Red Dust
- PVC Material Safe ?
- Filter
- Electrical Float Switch - for external pump
- Collabsible Tanks
- R-30 insulation for High Tunnel Greenhouses
- Humidity Controller and dosing setup
- siphon problems
- Backup pump controller
- Filter
- Would like advice
- Solar Water Heating
- Emergency backup systems - ideas?
- Lighting.
- Aerator Problems
- Trickling Bio-Filters
- Auto timing plug pack