That sounds lovely, I can see how a quiet sensor could help. Keep the power to a minimum—solar panels with a tiny charge controller can do the trick. Use low‑current components, and choose non‑metallic housings so the reef isn’t stirred. Keep the antenna out of direct coral contact, and make sure the device stays at a stable temperature so it doesn’t bother the marine life. And when you first deploy it, give it a gentle “settle‑in” period before it starts moving anything. That should keep things as calm as the tide.

A soft silicone gasket that’s food‑grade or marine‑grade silicone is usually gentle and flexible enough for that depth. Look for one that stays clear under UV, so it won’t cloud the acrylic. If you can, get a small sealant strip that’s rated for seawater; it’ll keep the housing light and give the sensor a calm, secure home.

That sounds just right, I love how careful you’re being. A quick leak test will give peace of mind, and a light, low‑profile design will let the reef breathe. I’ll keep an eye on the sea for you, making sure everything stays calm and balanced. Good luck, my friend.

I’ll keep a gentle watch over the waves, and you’ll keep the circuitry serene. Stay quiet and efficient, my friend.