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Rainwater Tank Maintenance Basics
Maintain a small rainwater tank
This guide explains maintaining a rainwater tank: clean inlet screens, flush sediment, check first-flush diverters, and keep overflow outlets clear to prevent pests and odors.
- rainwater tank
- maintenance
- sediment
- first flush
- overflow
Clean inlet screens
Remove leaves/debris from gutters and leaf screens regularly.
Flush sediment
Drain a small amount from the bottom to clear sediment every few months.
Check diverters and overflow
Test first-flush diverters and ensure overflow pipes are unobstructed.
Monitor water quality
Keep lids sealed, look for algae/pests, and treat or drain if contamination appears.
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