FibroPool P500 Sand Filter Tank (14–21 in., tank only)
Best overall — the only warranty here that survives an online purchase — A bare sand filter tank in four diameters from 14 to 21 inches, sold by FibroPool's own storefront — which is the whole point. Every other legacy brand in this category gutted or voided its warranty the moment you bought online; FibroPool sells direct, so the warranty you read is the warranty you get. Its own listing states the pump match (up to 1.5 HP) instead of leaving you to guess.
Specs
| Type | Tank only — no pump |
| Sizes | 14 / 16 / 18 / 21 in. (one listing) |
| Rated pool | Up to ~15,000 gal above-ground, ~10,000 in-ground (21 in.) |
| Pump match | Up to 1.5 HP |
| Valve | 6-position top-mount |
| Sand | 220 lb (21 in.) |
| Sold by | FibroPool USA — the brand itself |
| Owner rating | 4.2★ / 63 (pooled, 14–21 in.) |
| Warranty | 1 yr parts, no labor |
Pros
- Sold by FibroPool USA, so the manufacturer warranty actually applies to an online purchase — the only pick here that can say that
- Four diameters on one listing, starting at 14 in. ($179.95) — the smallest genuine tank in the category
- States the pump match (up to 1.5 HP) and salt-water compatibility on the listing, which most rivals do not
- Smallest critical tail of any deep-enough rung here (5 of 63)
Cons
- 63 ratings pooled across all four diameters — early data by our own bar, and not a read of the size you buy
- The critical tail is small but it goes at the reason to pick it: one 2026 owner could not reach support at all ('numerous emails, called their phone... I cannot get no help')
- Instructions do not identify which port is inlet, flush and return — a category-wide problem, but you will meet it here
- 220 lb of sand for the 21 in. is not included, and is not a trivial cost
When it goes wrong, owners report they cannot reach anyone. The tail is tiny, but it lands on the exact reason to choose this tank — its warranty.
5 of 63 ratings are critical (7.9%); one 2026 card describes emails and phone calls going unanswered · critical reviews read August 2026
“Had problems with the first valve received, and was instructed to return that valve for the replacement one. No problems with the replacement valve and worked very good. Happy to due business with the FibroPool company.”— paul wypior, Amazon · Verified owner
FAQ
Who is the FibroPool P500 Sand Filter Tank (14–21 in., tank only) for?
You are replacing a tank on a pump you already own and you want a warranty that still exists after an online purchase — FibroPool sells it themselves, which is exactly why it does.
What do owners say about the FibroPool P500 Sand Filter Tank (14–21 in., tank only)?
4.2★ across 63 owner ratings (Amazon, read August 2026 · early data · listing-wide base · global base). What owners complain about: When it goes wrong, owners report they cannot reach anyone. The tail is tiny, but it lands on the exact reason to choose this tank — its warranty.
What is the warranty on the FibroPool P500 Sand Filter Tank (14–21 in., tank only)?
1 yr parts, no labor
✓ Safety: no active recall — No active CPSC recall found (checked August 2026; saferproducts.gov query for sand/pool filters returned nothing on any brand carded here)
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Data last verified: August 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.