Neutral Litmus pH test paper tests for Neutrality of a solution, or its acidity or alkalinity, does not come with a color chart, test strip will turn red if dipped into an acidic solution (pH <7) or blue if dipped into an alkaline solution (pH >7), Size: 100 test strips
Fluval Bio Clear, Clears organic debrits, Controls new tank syndrome, Safe for all aquarium inhabitants, To prevent cloudy aquarium water and reduce maintenance, use Fluval Biological Cleaner regularly, For freshwate