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Yesterday we talked about the tank valve and first stage. It is important to keep the first stage interior dry, that is why there is a dust cap, also in DIN regulators. There is a reason why the manufacturer puts it there.

So when you finish your dive and after drying the dust cap remember to put it back where it belongs. That will prevent moisture penetrating the regulator, expanding is optimal performance and lasting longer before the next service.

Never drop the first stage of your regulator inside the rinsing tank without the dust cap!!