What many people do not realize is that there is a fine line between large-scale cleaning and optimum cleaning. Excessive cleaning may wipe out the beneficial bacterium that is necessary to convert the harmful byproducts of your tank into less harmful substances which, later, can be removed with water. And more, it does not take all of your time. Here are 12 creative hacks to keep your fish tank clean you can use without investing all your free time. via @fishtankworld0195