Amazon MarketplaceARKA - laboratory quality araeometer. For optimal measurement of density in any seawater aquarium Accuracy: +/- 0.0002 g/ml (25°C) Division: 0.0001 g/ml Thermometer with °C and °F
ARKA - laboratory quality araeometer. For optimal measurement of density in any seawater aquarium Accuracy: +/- 0.0002 g/ml (25°C) Division: 0.0001 g/ml Thermometer with °C and °F