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The ornamental design for a liquid siphon for aquariums, as shown and described. |
FIG. 1 is a perspective view of a liquid siphon for aquariums showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is an opposite side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof.
The broken away portion on the tube in FIGS. 1, 4-7 is to indicate an indeterminate length.
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