Review:
Undergravel Filters
overall review score: 4.2
⭐⭐⭐⭐⭐
score is between 0 and 5
Undergravel filters are a type of aquarium filter that is placed underneath the gravel in a fish tank. They work by drawing water through the gravel, where beneficial bacteria break down waste and debris.
Key Features
- Placed under gravel in aquarium
- Beneficial bacteria breakdown waste
- Helps maintain water quality
Pros
- Promotes biological filtration
- Improves water quality
- Low maintenance
Cons
- May be less effective in heavily stocked or large tanks
- Can be challenging to clean