Never-Rust Aquarium Tweezers 11in - VCA Color:Black The Double Junction isolates the

The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog

More importantly

which can also help this coral serve as a good "indicator coral"

Reduced effect on skimmer foam when first changing a new roll

Includes 1-month of reagent

Never-Rust Aquarium Tweezers 11in - VCA Color:Black The Double Junction isolates the11in Tweezers with Soft Grip Tips UV Reactive super bright under actinic lighting Length: 11in (280mm) Replaceable Soft tip grab pads Rigid design with good resistance to ensure easy, reliable use Floats wont sink 100% plastic design, so it will never rust