YSI Economy Oxygen Meter with Optional Probes Item:Probe Only, 30' Cable — NO METER If the "test" fish are

If the "test" fish are healthy and behaving normally after 48 hours

Interior Dimensions SKU

4oz 300 Gallons 33

non-oily blend of silicone compounds designed to easily disperse unwanted foam and surface scum from ornamental lakes

YSI Economy Oxygen Meter with Optional Probes Item:Probe Only, 30' Cable — NO METER If the "test" fish areSPECIAL ORDER ONLY The D200 Economy Oxygen Meter from YSI Meters is designed for quick, accurate oxygen and temperature readings! This handheld, easy to use meter features a watertight IP67 housing, so there's no need to worry about the meter getting wet. Automatic temperature compensation Manual salinity compensation Low battery indicator with 500 hour battery life Screw on cap membranes with low stirring, fast response probe