pH Pens by Hanna Part:Calibration Solution 4.01 pH Overall length without fitting is

Overall length without fitting is 5

Kasco pond aerator models include the following staples of all Kasco equipment:

The skimmer is collapsible

These pond filters have a built in settling cone with a bottom drain for easy cleaning

This little meter offers ORP data at a very affordable price

pH Pens by Hanna Part:Calibration Solution 4.01 pH Overall length without fitting isThese easy to use pH pens from Hanna Industries are waterproof and will float. They feature automatic shut off, temperature compensation, replaceable electrodes, hold function, stability indicator and temperature readings in either C or F . Choose pen with sensitivity in tenths (98127) or hundredths (98128). Pens weigh only 3 oz, measure 7 l x 2 w. Use four 1. 5 V button cell batteries (included). Calibration solutions sold separately.