Advanced Water Chemistry & Planted Tanks

Advanced Water Chemistry & Planted Tanks

How Do I Lower High Nitrates in an Established Tank? 

 

While beneficial bacteria convert toxic Ammonia and Nitrites into Nitrates, elevated Nitrates over 40 ppm cause chronic stress, poor growth, algae blooms, and long-term health issues. 

 

[ NITRATE REDUCTION TACTICS ] [ WATER CHANGES ] [ FAST-GROWING PLANTS ] [ CHEMICAL MEDIA ] Dilutes nitrates manually; Stem plants & floaters Specialized resins selectively 25–50% water changes. absorb nitrate nutrients. absorb nitrate molecules. 

 

4 Proven Ways to Keep Nitrates Low 

 

  1. Increase Water Change Volume: Perform 30% weekly water changes using a gravel siphon to remove trapped organic waste.
  2. Add Heavy Nutrient Feeders: Fast-growing stem plants (like Hornwort or Water Wisteria) and floaters (like Salvinia) absorb massive amounts of nitrates.
  3. Reduce Feeding Portions: Overfeeding is the #1 cause of constant nitrate spikes.
  4. Use Selective Absorbing Media: Place nitrate-selective resins inside your filter tray.