Double Junction probes will last longer- about twice a long
Accurate to 2% or less and capable of several hundred ml
Adjustable mounting clip extends up to two inches (or velcro can be used) so it will work in almost every aquarium configuration
even though the cost to us was higher
Long lasting efficient skimmer pump
Boyd Chemiclean 2g Feeding Accessories Double Junction probes will lastTHE BENEFITS OF USING CHEMICLEAN: Cleans many types of stains from cyanobacteria Works in fresh and salt water Completely safe for all fish, corals, invertebrates, and nitrifying bacteria Chemiclean cleans stains from red, black, blue green, and methane (bubble) producing cyanobacteria in marine aquariums. It is completely safe for all fish, corals, invertebrates, and nitrifying bacteria in reef systems. Its simple, quick and easy to use. Chemiclean