If the liquid in the hydro-cooling miners during the storage and transportation is not completely drained, it will cause the following impacts:

If there is no corrosion inhibitor: excessive pressure inside hydro-cooling plates may cause the hydro-cooling plates to bulge, thereby damaging the hydro-cooling plates and hashboards;

If corrosion inhibitor recommended by WhatsMiner is added, there is usually big problem within one week, but the above-mentioned damage risk may still occur beyond this period.