Aquarium Hydrometer, Clear Reading Firm High Accuracy Lightweight Salt Water Salinity Meter for Fish for Salinity for Specific Gravity

[Plastic Material] Salt water salinity meter for fish is made of plastic material , which is strong and .

[Auto Detection] Aquarium glass saltwater hydrometer is lightweight and easy to use and automatically detects specific of water samples .

[Accurate Reading] Aquarium hydrometer auto recognizes the level to get accurate reading both in the pond , in and out of the tank .

[Salinity Tester] Aquarium salinity tester tests salinity and specific of fish tank , specific range 1 . 000 to1 . 030 , salinity range 0 to 40 .

[Note] Crystallization of salt on the pointer will cause inaccurate readings If salt crystallizes in the hydrometer , soak the hydrometer in warm water or vinegar for 30 minutes , then rinse with water and air dry .