Package List 2 x gravimeter Features - Color: White Salt Water gravimeter - Material: Acrylic Hydrometer - Size: 13 x 9.5 x 2cm - Fish pool, both inside and outside the cylinder can be read. The hydrometer that can float on the surface of the water is simple and easy to read aquarium gravimeter. - It is easy to read and the precision can be + (-) 0.001 units of specific gravity. Professional design make it able to get accurate reading when the temperature of the fishpond is at 18 degrees -28 degrees gravimeter. - Keeping your hands clean and can prevent pollution of water from the fish pond Salinimeter. - 15 centimeters (6 inches) from the bottom of the water to avoid the error caused by the oil film on the water. - The proportion of water sample can be automatically detected. The proportion, and conductivity of sea water are shown once. Goods Description Salinimeter 15 centimeters (6 inches) from the bottom of the water to avoid the error caused by the oil film on the water.meter Professional design make it able to get accurate reading when the temperature of the fishpond is at 18 degrees -28 degrees.Salt Water gravimeter Keeping your hands clean and can prevent pollution of water from the fish pond.aquarium Fish pool, both inside and outside the cylinder can be read.equipment meter The proportion of water sample can be automatically detected.Fish tank accessory It is easy to read and the precision can be + (-) 0.fish aquarium accessories The proportion, and conductivity of sea water are shown once.white The hydrometer that can float on the surface of the water is simple and easy to read.aquarium gravimeter 001 units of specific gravity

Salt water gravimeter-- fish pool, both inside and outside the cylinder can be read. the hydrometer that can float on the surface of the water is simple and easy to read. Square-- the proportion of water sample can be automatically detected. the proportion, and conductivity of sea water are shown once. Meter-- it is easy to read and the precision can be + (-) 0.001 units of specific gravity. professional design make it able to get accurate reading when the temperature of the fishpond is at 18 degrees -28 degrees. Fish aquarium accessories-- 15 centimeters (6 inches) from the bottom of the water to avoid the error caused by the oil film on the water. Hydrometer-- keeping your hands clean and can prevent pollution of water from the fish pond.