
NICREW Slim Aquarium Filter
Quiet Fish Tank HOB Filters for up to 5 Gallon Aquariums, Adjustable Flow, 42 GPH, 3W
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$6–$20← You are here
- Mid-range:$20–$53
- Premium:$53+
Is This Right For You?
- •Budget-conscious shoppers — priced below 90% of Aquarium Filters
- •Rating sits in the bottom 17% of Aquarium Filters — higher-rated options exist
- •Tetra Whisper Bio-Bag Medium Filter Cartridges offers a better rating (4.7/5) at a similar or lower price ($6)
- •Fluval Carbon Filter Media — 49% cheaper at $6 (Score A+)
- •Aqueon Aquarium Fish Tank Replacement Filter Cartridges — higher rated at 4.8/5 ($12)
📊 Based on data analysis of 60 products in this category.
Mubboo Score: A-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Aquarium Filters
Computed from live Amazon rating, review count, and price across 60 Aquarium Filters available to US consumers · last refreshed 2026-06-03.
How It Compares
This Product NICREW Slim Aquarium Filter | Most Popular Tetra Whisper Bio-Bag Medium Filter Cartridges | Best Rated Aqueon Aquarium Fish Tank Replacement Filter Cartridges | Best Value Fluval Carbon Filter Media | |
|---|---|---|---|---|
| Price | $11.99 | $6.47 | $11.95 | $6.09 |
| Rating | 4.1/5 | 4.7/5 | 4.8/5 | 4.8/5 |
| Reviews | 2,649 | 28,071 | 12,505 | 8,689 |
| Mubboo Score | A- | A+ | A+ | A+ |
Quick Specs
- Size
- 1-5 Gallons
- Color
- Black
- Directions
- Regular cleaning of filter and its parts every 2 weeks.
- Item Weight
- 11.3 ounces
- Manufacturer
- NICREW
- Customer Reviews
- 4.2 out of 5 stars
- Item model number
- N83251
- Date First Available
- August 24, 2023
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Ensure the filter is properly sized for your tank and fish; small fish may require a gentler flow or intake guard. Monitor water level to prevent noise and have a skimmer for surface film.
- Keeps water crystal clear and effectively removes odors and debris
- Easy to assemble and set up with minimal effort
- Excellent value compared to pre-assembled alternatives
- Quiet operation when water level is adequate
- Reliable and long-lasting performance
- Noise when water level drops or component misalignment
- Charcoal dust mess during cartridge assembly
- Can trap or injure small fish
Expert Picks in Aquarium Filters
- LifeStraw Escape — emergency water purification after disasters
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 Which Aquarium Filter Actually Works? Honest Ranking — Aquarium Store Depot
- 📹 ✅ 7 BEST Aquarium Filters in EUROPE [2026] 🐟 Crystal Clear Water! — Rank On Top
- 📹 ✅ Top 5 Best Aquarium Canister Filters 2026 — PetLabs
Key Features
- ✦Slim and compact design, hardly noticeable on the tank, great choice for nano and pico tanks up to 5 gallons.
- ✦Quiet operation with adjustable flow, doesn't overly disturb the fauna, perfect for shrimp or betta.
- ✦Patent pending priming system, auto restart if power is interrupted and restored.
- ✦Comes with everything you need right out of the box for easy setup and use.
- ✦What's included: Filter body, intake tube, extension tube, intake sponge, and filter cartridge.
Source: product listing on Amazon.
About NICREW
- 7 products in our database
- Average rating: 4.4/5 across all products
- Price range: $9.99 – $56.99
- Categories: Aquarium Air Pumps, Aquarium Filters, Aquariums
If not the Slim Aquarium Filter, consider these



Bottom Line
NICREW Slim Aquarium Filter earns Mubboo Score A-. Priced at $12 — a budget-friendly option, below the category average of $47. Rated 4.1/5 from 2,649+ reviews. Strong buy if: budget-conscious shoppers. Skip if: rating sits in the bottom 17% of aquarium filters — Tetra Whisper Bio-Bag Medium Filter Cartridges (Score A+, $6) may fit better.
Frequently Asked Questions
Is the NICREW Slim Aquarium Filter worth buying in 2026?
It earns a Mubboo Score of A-, with a 4.1/5 rating from 2,649 reviews — better than 17% of Aquarium Filters we track.
How much does the NICREW Slim Aquarium Filter cost?
It is currently $11.99 — budget-tier pricing for Aquarium Filters.
How does the Slim Aquarium Filter compare to other Aquarium Filters?
The category's most-reviewed alternative is the Tetra Whisper Bio-Bag Medium Filter Cartridges (4.7/5, 28,071 reviews, $6.47). The Slim Aquarium Filter carries a Mubboo Score of A- vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-03) and may change.