Types of Pool Filters
- First Class Pools
- Mar 11
- 1 min read
Pool filters are essential for keeping your water clean by removing dirt, debris, and contaminants. The three main types of pool filters are:
1. Sand Filters
✔ How It Works: Water passes through a tank filled with specially graded sand that traps dirt and debris.
✔ Maintenance: Requires backwashing (reversing water flow) to clean the sand. Sand should be replaced every 5–7 years.
✔ Pros: Easy to use, low maintenance, and cost-effective.
✔ Cons: Less effective at filtering fine particles compared to other options.
2. Cartridge Filters
✔ How It Works: Uses a pleated filter cartridge to capture debris. Water flows through the cartridge, and particles get trapped in the folds.
✔ Maintenance: Cartridges need to be cleaned every 2–6 weeks and replaced every 1–3 years.
✔ Pros: Provides better filtration than sand filters, uses less water, and requires no backwashing.
✔ Cons: Requires manual cleaning and cartridge replacement.
3. Diatomaceous Earth (D.E.) Filters
✔ How It Works: Uses a fine powder made from fossilized algae (Diatomaceous Earth) that coats a filter grid, trapping even the smallest particles.
✔ Maintenance: Requires backwashing and replenishing the D.E. powder after cleaning. The grids should be cleaned periodically.
✔ Pros: Offers the best filtration, removing particles as small as 2–5 microns.
✔ Cons: More expensive, requires frequent maintenance, and needs D.E. powder replenishment.
Which Filter Is Best for You?
Sand Filters – Best for large pools needing low-maintenance, budget-friendly filtration.
Cartridge Filters – Ideal for those seeking improved filtration with minimal water waste.
D.E. Filters – Perfect for those wanting the highest water clarity, despite higher maintenance needs.