Description:
1.Insert the gravity into the tank or the fish pond below 15 cm until thespills the plate. (slowly fillingto prevent bubbles attached to the pointer)
2.When thereaches the full state (and the top level of the baffle), take out the hydrometer and place it on a horizontal surface.
3.The air bubbles attached to the needle will to inaccurate reading, carefully pending the gravimeter to shock the adherent bubbles.
4.Read the specific gravity according to the inner scale, and read out the salinity (PPT) according to the outside scale. We recommend that the seadensity of the seafood pool is between 1.020-1.023, that is the safety line.
5.Rinse with cleanafter each use. Specification:
The proportion of range: 1.000-1.030
Salinity range: 0-40
Length x Height x Thick: 9*12*15cm/3.5"*4.7"*5.9"
Weight: 94 grams Note: the first use of hydrometer, fill the warmand detergent, cleaning theof oil clean inside, can make higher accuracy.
Cleaning: salt crystallization on the pointer will cause inaccuracy of reading. If the salt isin the hydrometer, the hydrometer can be soaked in warmor vinegar for 30 minutes, then washed and dried with clean water. Package included:
1 x Hydrometer