Hydrometer for sea water aquaria 7.29 €* |
highly precise hydrometer 26.95 €* |
hydrometer cylinder with overflow 15.95 €* |
for determining the salt concentration 39.90 €* |
|
for calibration of refractometers 4.95 €* |
for measuring specific density in saltwater 8.49 €* |
high precision hydrometer for seawater 34.95 €* |
height: 36 cm, made from plastic 17.99 €* |
|
height: 36 cm, plastic, with Hydrometer 49.95 €* |
|
|
calibration solution for refractometers 4.29 €* |
|
for determination of salt content 6.49 €* |
Precision +/- 0,0005, incl.test vial 25.59 €* |
