Fish Viewer, 300mm Dissolved Oxygen Testing Replacement pH electrode for the

Replacement pH electrode for the Hanna Checker (HI98103) pH Meter  (Old Style)

it is now graduated in 1 ml increments to 50 mL

Smooth plunger movement enables accurate aspiration and dispensing

or freezers

When it is necessary to protect a sample from light

Fish Viewer, 300mm Dissolved Oxygen Testing Replacement pH electrode for theProduct Code: FV300 The FV300 Fish Viewer is a professional acrylic observation chamber designed to allow the safe examination, identification and photography of live fish while they remain fully submerged in water. Constructed from 4. 5 mm clear acrylic, the viewer provides outstanding optical clarity from all sides, allowing fisheries professionals to inspect fish without exposing them to the air for extended periods. This helps minimize handling