To maintain the pristine water quality demanded by sensitive L046s, what is the recommended maximum limit for nitrates?
Answer
Under 10 ppm
Because the *Hypancistrus zebra* is extremely sensitive to fluctuations and accumulation of waste products in the water column, achieving and maintaining exceptionally high water quality is non-negotiable for keepers. A critical parameter in this pursuit is the management of nitrates, which must be kept very low. The standard goal for successful, long-term maintenance of these sensitive fish dictates that nitrate levels must consistently remain under 10 ppm, often necessitating weekly water changes between 30% and 50%.

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