Patrina Posted February 4, 2021 Share Posted February 4, 2021 I have had these parameters for ever and can't seem to lower the nitrates. What do I do? Link to comment Share on other sites More sharing options...
Maggie Posted February 4, 2021 Share Posted February 4, 2021 Do you have plants? How often do you change the water and what volume do you change? 1 Link to comment Share on other sites More sharing options...
Mariapia0815 Posted February 4, 2021 Share Posted February 4, 2021 You have to water change the nitrates out. Check you tap water nitrate levels and see what you’re working with. You might have to buy the large 5G jugs of water to if your nitrates are high out of the tap. Link to comment Share on other sites More sharing options...
Patrina Posted February 4, 2021 Author Share Posted February 4, 2021 I have many plants and no nitrates in my tap. Weekly water changes and 25-35 % because I have shrimps. Link to comment Share on other sites More sharing options...
Brandy Posted February 4, 2021 Share Posted February 4, 2021 You can do 2x weekly for a while to reset the tank OR depending on the shrimp you may get away with 50% changes...OR you can actually do a gradual serial dilution. This means you do a 25% change, wait for water temp to stablize, do a second 25% change immediately and repeat until you have your nitrates down. Then watch closely to see how long the nitrates take to rebound to previous levels. If you fertilize, you may be over doing it. If you aren't you may be over feeding. 1 Link to comment Share on other sites More sharing options...
MDoc Posted February 4, 2021 Share Posted February 4, 2021 What sort of plants do you have, and what sort of fertilizers do you use (if any) and how often? Link to comment Share on other sites More sharing options...
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