Aquarium tests: The Basics Part 1

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You suspect there is something better for your aquarium and want to prove it. You want to test an idea and want to have some sort of degree of confidence in your conclusion. In order to test a factor that influences plant growth, fish health, fish reproduction or the benefits of a product you need two things:

Control the aquarium experiment – reasoning

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What does it help to say we can grow all the plants without any algae if we have no idea on how we did it? And if we suspect we know how we did how can we confirm our suspicions if we have nothing to compare with? Before looking for the results it pays to understand the design and method of exposure. After all, understanding