What's that nice green dildo we witness? Candles like this were anticipated, but months earlier.
Either revisiting Bart or finally the start of a parabolic phase?
Cycles over or lengthened?
Too many questions. Who has answers?

Probably installed at the same time.  The chlorine in our water breaks down the rubber flapper whether you use it or not.   I replaced ours with silicone... it lasts much longer.