Freshwater Alkalinity Colorimeter - Checker HCFreshwater Alkalinity Colorimeter Checker HC Designed as a more accurate alternative to chemical test kits, it is easy to use with single button operation and a large LCD display. This mini tester also features auto shut off to ensure a longer battery life. The HI 775 is ideal for checking water quality, great for educational and environmental applications and for use in freshwater aquaria. Designed as a more accurate alternative to chemical test

tested and dosed with the greatest possible accuracy

As soon as this happens a special valve at the end of the Oase PondoVac Classic's 2m long discharge hose opens automatically allowing the sludge to drain out of the tank

• Elegant design

Diet:Carnivorous micro-predator

Neptune Systems uses only quality ingredients when producing their calibration solutions ensuring accuracy

Garden Pond UVC

Introducing the World's Smartest Return Pump - EcoTech Vectra M2 Return Pump (Mobius Ready)

is a species native to the Atlantic Ocean

Rapid establishment of nitrogen cycling including nitrification and denitrification

Precision geared valve for positive flow regulation

Also known as the Pajama Cardinalfish

Occurs on coral rich substrates