Yes! I sent a demo tub to nostr:npub1t4rw3dqwzd8e0zqg8qsdprm2jedr8eh453cts5nx42gmnyz4yycqnqynkr and our control system works great with either an immersion miner or a hydro miner. Dane is doing the engineering design on the heat exchange. Will be available in a few months. And yes. We accept bitcoin as well.