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Colombo Ammonia test kit
$21.40The Colombo Ammonia Test Kit is a water test kit specifically designed for monitoring ammonia (NH3) levels in aquariums and ponds. It helps ensure a healthy environment for fish and plants by detecting potentially toxic levels of ammonia, which is a waste product of fish and can be harmful if it accumulates.
Colombo Nitrate test kit
$20.60The Colombo Nitrate Test Kit is a simple, visual test kit designed to measure nitrate levels in marine or freshwater aquarium water