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Comparing different types of aquarium water filtersFeatured science projectScience project video

Observation

It  was observed that the sponge filtration system  effectively maintained a lower pH value and also a lower ammonia content in the water, compared to the aquarium using the under-gravel filtration system - throughout the 4 weeks.

Aquarium filter and test

Measurement of water pH and ammonia content (ppm)

Start

Week 1

Week 2

Week 3

Week 4

Sponge - pH

7.1

7.2

7.4

7.3

7.3

Under gravel - pH

7.1

7.3

7.6

7.5

7.5

Sponge - ammonia

0

3.4

4.6

4.2

2.6

Under gravel - ammonia

0

3.8

5.8

5.1

3.8

The graph below represents the results of our science project experiment.

aquarium filtration science fair project

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Complexity level:
6
Project cost ($):
90
Time required:
1 day to prepare, 28 days for the science project experiment
Material availability:
Easily found
Safety concerns:

Basic safety requirements