If your nitrite level is 10, you really need to do a 90-100% water change. It won't affect the nitrifying bacteria because they live on surfaces, not in the water. High nitrite/ammonia is probably what's currently killing your dwarfs.
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Thank you. Will do tonight. Cont with stability?If your nitrite level is 10, you really need to do a 90-100% water change. It won't affect the nitrifying bacteria because they live on surfaces, not in the water. High nitrite/ammonia is probably what's currently killing your dwarfs.