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GTP- Hydrometer Centering Device GTP- Hydrometer Centering Device

Centers hydrometers and thermohydrometers for accurate readings in standard jars. (Not needed in GTP-1073 jar).

Plastic Hydrometer Jar Plastic Hydrometer Jar

Plastic Hydrometer Jar. Non-Breakable Plastic. Take reading at top of jar, no need to see through the plastic. Overflow collector at top prevents spilling as hydrometer settles. For more information see Bulletin no.61

Glass Hydrometer Jar Glass Hydrometer Jar

Hydrometer Jar with tip over ring