Water Tech
Pool Blaster Catfish Gen 2
Best for spas & small above-ground pools — Water Tech’s best-selling handheld — a lightweight, cordless vacuum built for spas, hot tubs, and spot-cleaning small above-ground pools. The most-proven name in the category with 2,400+ owner ratings.
Specs
| Runtime | 45 min |
| Fine-silt filter | Partial — smaller Gen 2 bag |
| Pole included | No (std 1.25 in pole) |
| Battery | Li-ion (rechargeable) |
| Owner rating | 4.1★ / 2,426 |
Pros
- The proven best-seller — 4.1★ across 2,426 owners, an all-verified-purchase base
- Lightweight and easy to swing around steps, corners, and a spa
- 45-minute runtime; mounts to a standard 1.25-inch telescopic pole
- Genuine Water Tech build and support
Cons
- The Gen 2 filter bag is smaller than the original and lets finer debris through
- Replacement bags can be hard to find (a recurring owner complaint)
- Built for spas and small pools — it won’t vacuum a big pool floor in one go
- No pole in the box
“Really great little chargeable vacuum, works wonderfully on my kids’ pop-up pool which is 12 ft round, 30 in deep.”— Tarcy, Amazon · Verified owner
✓ Safety: no active recall — No active CPSC recall found (checked July 2026)
Battery replaceability & 8-yr cost → · Size your pool first → ·All pool gear →
Data last verified: July 2026. Ratings are real, dated reads — never scraped or invented. Full methodology and monetization disclosure: how we test.