Wide-range specific gravity meter. Self-leveling, hanging device. Hands stay dry, thus avoiding contamination of aquarium. Takes a true water sample at 6" depth. Avoids inaccurate surface samples. Easy-to-read and accurate to .001 specific gravity units. Wide range of measurement. Temperature-corrected readings. Water is gently diverted to bottom plate to avoid excess bubbles. Durable construction for long life.
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