Grey/white spots on the bottom of a Brita filter, possibly mold? : r/whatisthisthing

What is this floating residue in my Brita Pitcher? : r/CleaningTips

Why does my brand new Brita water pitcher have white sediment at the bottom floating around in the water? : r/NoStupidQuestions

Bottom of my Brita filter where the water flows out into the pitcher- what are the yellow dots? : r/whatisthisthing

My Brita filter after I returned home after two years.i should have checked it the moment I returned Have I been drinking mold for two months? What kind? : r/mycology

What are these little green balls in my Brita filter?? : r/Whatisthis

Yellow flakes appearing above water filter : r/water

Will I get sick if I use this Brita water pitcher? I can't reach this last bit to clean out this mold/mildew but I don't want to have to throw the whole

Are the black dots mold on my Britta filter? : r/CleaningTips

Brita Water Pitcher Filter OB01/OB03 w Handle & new replacement cartridge 48oz

In my Brita filter this white stuff kinda appeared outa nowhere and the water looks dirty. What is this? : r/whatisthisthing

Black Particles in Brita filters – are they harmful?

Brita bottle owners: How to clean blackish stuff from inside rubber straw? Tried dish soap+sponge/q tip and nothing's worked : r/water

Mold or minerals? I opened up my water filter pitcher today to look at the filter piece and saw this. Any idea what is accumulating inside the filter? : r/Whatisthis

Black stuff in cat's water fountain…mold or from filter? : r/cats