Excessive light or nutrients stimulate an unsightly and potentially dangerous algae bloom In aquariums, which can affect oxygen and pH levels, making the water highly alkaline and thus unsuitable for fish.
Clear Away clumps the Individual suspended particles together so that they become trapped in the filter or sink to the bottom. It does not remove filamentous algae.
Use Clear Away when the water becomes cloudy with brown colouration or green algae. Do not use when water is below pH6.5 or above pH 8.5. Not for use in marine aquariums.