Aquascape Protect for Ponds SL (1l) Nishikoi Wheatgerm The Hanna HI-711 is a

The Hanna HI-711 is a real world first - a fully featured photometer at a pocket sized price

Flapper valves don't reduce flow as much as traditional spring-loaded non-return valves

Power usage 52 watts to 205 watts

Whirlpool Function: Can be set to stir up debris from pond floor and feed into filter pump

Aquascape Protect for Ponds SL (1l) Nishikoi Wheatgerm The Hanna HI-711 is aAquascape Protect for Ponds SL uses an all natural formulation of tea tree oil and other plant based biopolymers to effectively protect pond fish. Protect for Ponds SL is available in a 1 L bottle and designed only for use with the Dosing System SL. The special formulation helps protect pond fish by reducing stress, improving resistance against pathogens, and can aiding in recovery of superficial wounds, scrapes, and breeding abrasions. Protect for