In Malaysia, household water tanks are essential due to frequent scheduled and unscheduled water disruptions. Most terrace houses and condos come with a standard storage capacity, but many homeowners upgrade to ensure a 2 to 3-day backup supply. The National Water Services Commission (SPAN) guidelines suggest an average usage of 220 liters per person per day.
The choice of material and size affects the water temperature, durability, and maintenance frequency.
- Stainless Steel:
- Pros: Most popular in Malaysia; keeps water cooler; does not grow algae; highly durable (20+ years).
- Cons: Higher upfront cost; can puncture if the base is not perfectly level.
- HDPE (Polyethylene/Plastic):
- Pros: Rust-proof; lightweight; more affordable; seamless construction prevents leaks.
- Cons: Water gets warmer in the afternoon; can grow algae if the material isn't thick/UV-protected.