High Nitrates: Can They Kill Saltwater Fish? Effects, Causes, and Solutions
High nitrates usually do not kill saltwater fish directly. However, long-term exposure can stress fish and weaken their immune systems. Marine fish tolerate nitrate levels between 50-160 ppm. Excessive nitrates can harm fish and lead to algae overgrowth, so maintaining ideal nitrate levels is crucial for aquarium balance and coral health. The primary causes of … Read more