high precision hydrometer for seawater 38.45 £* |
height: 36 cm, made from plastic 21.40 £* |
height: 36 cm, plastic, with Hydrometer 59.95 £* |
Hydrometer for sea water aquaria 7.60 £* |
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highly precise hydrometer 31.65 £* |
hydrometer cylinder with overflow 20.50 £* |
for determining the salt concentration 41.85 £* |
for calibration of refractometers 5.85 £* |
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for determination of salt content 6.25 £* |
Precision +/- 0,0005, incl.test vial 23.95 £* available soon |