I'm wondering if I should install the optical sensor so it is always submerged in water, or instead if I should install it so the water comes up to meet the sensor and just touches/covers the clear plastic. In other words, should I install the clear plastic facing to the sky or the ground.
I am thinking that installing it out of the water just above the level that I want my water to be would lead to less maintenance of the probe (cleaning).
Does anyone have any thoughts or advice on this?
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