C cfittz Well-Known Member BRS Member Jun 12, 2020 #1 hydrometer with graduated cylinder, I used this to calibrate plastic hydrometers atlas #2 Baensch 1/2 bottle lab grade calcium hydroxide over flow box, needs to be drilled into a tank $20 for everything p/u andover Attachments 20200612_112055 (2).jpg 243.4 KB · Views: 230
hydrometer with graduated cylinder, I used this to calibrate plastic hydrometers atlas #2 Baensch 1/2 bottle lab grade calcium hydroxide over flow box, needs to be drilled into a tank $20 for everything p/u andover