Megan dean Posted November 2, 2021 Share Posted November 2, 2021 We have a 135 gallon tank with fishes, crabs, nails, starfishes and can't get the nitrate and nitrite levels won't go down down no matter how much water changes we do or medication we use any suggestions and Emerald crabs and fishes are dying 1 Quote Link to comment
brandon429 Posted November 2, 2021 Share Posted November 2, 2021 Nitrite has no bearing in any display saltwater tank, it’s neutral, cease testing for it Nitrate has a slew of correction options, take any of the common ones you see in searches two helpful reads from same guy read one, the neutrality of nitrite don’t measure it http://reefkeeping.com/issues/2005-06/rhf/index.php read two, water changes don’t help lower nitrate https://reefs.com/magazine/aquarium-chemistry-nitrate-in-the-reef-aquarium/ there is no display reef in history that runs zero ammonia zero nitrite. All reefs run very small amounts. Common water additives like Prime cause false nitrite reads it’s easy for kits to overstate the read level but ignoring it in the first place is best, it’s a totally neutral param at all times we can see above, in a display reef. This includes during the original cycle. Quote Link to comment
brandon429 Posted November 2, 2021 Share Posted November 2, 2021 Fish death = needs fallow and quarantine, we expect mixed pet store fish to die without it in those large setups. Dying crabs, unrelated / tbd. if you want to stop fish loss, identify the disease killing them. Post a full tank picture, it’ll show a normal reef otherwise. An additive or doser isn’t how you react, it’s with disease identification and if that’s not possible, you’d redo the fallow and quarantine needed in all reef starts to exclude common diseases. Quote Link to comment
brandon429 Posted November 2, 2021 Share Posted November 2, 2021 Medications must not be added to the tank, they’re for quarantine additions. Medicating the tank= Don’t Quote Link to comment
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