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Coralife Deep Six Hydrometer
|The unique design of the Energy Savers Unlimited Deep Six Hydrometer allows hobbyists to take water samples at six inches in depth without submerging their hands in the water, thus avoiding the possibility of contamination. Self-leveling hanging device Hands stay dry, avoiding contamination of aquarium Takes a true water sample at 6" depth & avoide inaccurate surface samples Samples taken at six inches in depth have been proven to result in a more accurate salinity reading than surface samples.Every unit is calibrated, tested and certified for accuracy. Each Deep Six Hydrometer is then assigned its own individual certification number.|
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