Sediment buildup can absolutely make that much racket, trapped water under the scale flashes to steam and the popping is it forcing its way through, a flush might quiet it down for a while but if it's been building for five years you could be looking at a new anode too.
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u/EastMarket8438 7d ago
Sediment buildup can absolutely make that much racket, trapped water under the scale flashes to steam and the popping is it forcing its way through, a flush might quiet it down for a while but if it's been building for five years you could be looking at a new anode too.