Free Chlorine Handheld Colorimeter - Checker HCFree Chlorine Handheld Colorimeter Checker HC is the most common water disinfectant and by monitoring chlorine regularly and accurately, serious health and safety risks can be avoided. The contoured style of the HI 701 Free Chlorine Checker is designed to fit in the palm of your hand. The large LCD is easy to read and the auto shut off feature ensures the battery life will not be drained if you forget to turn it off. Can also be used to determine

Maximum Flow Rate - 10

switching between humdifying and de- humidifying e

which it uses to filter feed on microscopic organisms in the water

Made with an Integrated bottom drain with high quality

with a much lower chance of weight loss

a bit at a time

• Automatic and manual test mode functions

Professional Sea Salt contains all of the important macro and trace elements in the correct relative amounts that reflect as closely as possible the mix that occurs in natural seawater

Energy efficient thanks to electronic ballast

Manganese in seawater is around 1-2µg/l

but they can be shy when first introduced and should not be housed with aggressive feeders or bullying tank mates

well-balanced and efficient bacterial fauna in a tank