Instant OceanŽ Hydrometer
Here is an easy-to-use, inexpensive, all plastic, full-range hydrometer that is accurate enough for most spot checking.
- Salinity Range: 0–40 ppt (1.000–1.030 SG).
- Accurate to ±1.5 ppt.
- Direct reading in specific gravity and ppt.
Instant Ocean® is a registered trademark of United Pet Group, Inc.
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