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The solution can be adjusted to lower than 1.275 specific gravity if your room temperature never falls below 22° C(72° F). In this case, the hydrometer should not float any higher than the pointed to mark. �

The solution can be adjusted to lower than 1.275 specific gravity if your room temperature never falls below 22° C(72° F). In this case, the hydrometer should not float any higher than the pointed to mark.