Petssupplies-Fish & Aquatic Pets Coralife's Hydrometer takes a true water sample at six inch depth. Easy to read and accurate, this specific gravity meter is designed to give temperature-corrected readings in warm water aquariums. Includes a self-leveling, hanging device and allows your hands to stay dry, avoiding contamination of aquarium., Brand Central AquaticsBefore using, fill the hydrometer with salty water ad allow it to sit for 24 hours to season the needle.
The item arrived with the white circular object dropped out but managed to push it into the plastic pointer. Can buy.
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