In reply to Robin's message of Mon, 20 Mar 2023 07:25:58 +1100: Hi, [snip] >Salt solution reactors have been run in the past, but not using heavy water as >moderator AFAIK.
PS - This may be tested relatively safely by starting out with ordinary water, and slowly increasing the D percentage in it. Cloud storage:- Unsafe, Slow, Expensive ...pick any three.