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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
The SF41 12 V digital timer must be used with the SF62 12 V controller/power supply in order to operate either the AVF6 or AVF7 in a 12 V mode
The nozzles are sold separately so that they can be sized to match a pump you already own or they can be paired with the pumps that we carry
wait for colour to develop
phosphorus binding
Auto calibrated
pH Pens by Hanna Degassing The SF41 12 V digitalThese 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.
