7 Reasons Secretly Killing Your Fish in a New Tank (Japanese Way)

🔗 Save $1,400 A Year with My Complete Aquarium-Saving Methods I teach: https://isamuyoshida.com If you keep losing fish in a new tank, you're not bad at this and your fish aren't fragile — the store sold you fish for a tank that wasn't ready to keep them alive. New tanks haven't grown the bacteria that make water safe, so the clear, clean-looking water is quietly poisoning everything you add. In this video I walk you through the five real causes of new-tank fish deaths — and exactly how to fix each one the old Japanese way, including the fastest cure of all: borrowing a seasoned filter sponge to seed your tank with a finished bacterial colony in one wet fistful. Plus a humane rescue plan if your fish are dying right now.