Multi sensor bracket

I designed this bracket to hold a water level sensor, a light sensor and a temperature sensor on the side of a fish tank.

The part for the water level is adjustable.
It's part of an arduino project to monitor a recifal tank:
https://github.com/reivaxy/aquaMonitor

UPDATE: New design "aquaMonitor10mm.stl": taking advantage of the transparency of PETG (might also work with transparent PLA), the light sensor is now protected against water projections, since the case is closed around it.
I'v