AZ‑NO3 Absolute Zero Nitrate – 4th Generation Nitrate Removal Formula
Restore pristine reef conditionswith the new and improvedAZ‑NO3 (Absolute Zero Nitrate)—now powered by its4th Generation Formulaand over two decades of proven success. This latest version utilizes cutting-edgecold-filtering and enzyme stabilization techniquesto enhance clarity, boost potency, and ensure nitrate reduction attwice the speedof earlier formulations—even in ionically imbalanced or poorly maintained systems.
Available in:
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125 mL(treats 25–30 gal)
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250 mL(treats 50–60 gal)
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500 mL(treats 100–120 gal)
How It Works – The Science of Absolute Zero
At its core, AZ‑NO3 functions throughaerobic cellular respiration, targeting nitrate molecules using a highly specificoxidoreductase pathway—not chemical binding or bacterial blooms.
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The key enzymatic action mimics a“food source” for active enzyme maltase, which in turn activates oxidoreductases to convert nitrate into nitrogen gas.
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The result: nitrate isexported naturallythrough yourprotein skimmer, not trapped or masked.
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Contains no live bacteria, no complex sugars, and no yeast—no risk of unwanted microbial explosionsor destabilization of your aquarium’s balance.
Think of it like planting a seed: the AZ‑NO3 formula contains the “food” for the right enzyme reactions to bloom inside your tank. These reactions culminate in complete nitrate breakdown without interfering with your tank’s natural microbial populations.
Fourth Generation Formula Highlights
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Cold-filtered for purity, reducing clouding in systems with ionic imbalance
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2× faster nitrate reductionthan previous formulas
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Indefinite shelf life unopened; up to60 days openedwhen refrigerated
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No residue, no chemical masking, no false readingson any nitrate test kits
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Safe for delicate reef systems, SPS corals, clams, and inverts
Product Sizes & Aquarium Coverage
| Bottle Size | Volume | Treats |
|---|---|---|
| 125 mL | 4 oz | 25–30 gallons |
| 250 mL | 8 oz | 50–60 gallons |
| 500 mL | 16 oz | 100–120 gallons |
Perfect for reef aquarists, saltwater hobbyists, frag tank managers, and anyone battling persistent nitrate levels.
Dosage Instructions
Denitrification Phase (Initial Treatment)
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Use¼ oz (7.5 mL) daily per 50–60 gallons
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Increase dose up to2× if needed(safe for livestock)
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Continue daily until nitrates reach 0 ppm
Maintenance Phase
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Once nitrates hit zero, reduce dose to½ of the original
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Taper gradually andwean off completelyas live rock or plenum takes over denitrification
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Transition toweekly or biweeklydoses as necessary
Immediate & Long-Term Effects
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Nitrates reduced from 100+ ppm to absolute zero
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Protein skimmer output increases dramatically—continues for up to 30 days post-treatment
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Sediment, organics, and dissolved waste export improves, leading to more frequent filter pad changes
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No impact on ORP or test accuracy, and fully compatible with all other aquarium additives, medications, and supplements
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Not bacteria-based, so it remains unaffected by UV, meds, and water chemistry swings
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Does not cause bacterial blooms, oxygen drops, or cloudy water
Note:You may need to supplement withiodineif skimmer efficiency becomes too high, as AZ‑NO3 can enhance nutrient export, including iodine.
Important Compatibility & Use Notes
AZ‑NO3 works reliably in most marine setups, but consider the following to ensure maximum performance:
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Turn off ozone generatorsif O3 saturation exceeds 40%
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Limit UV sterilizer outputto below 50,000 µw-sec/cm²
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Clean pre-filters frequently—clogged pads may reverse nitrate removal by breaking down maltase into nitrates again
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Monitor ORP and aerate if necessary; AZ‑NO3 may reduce ORP slightly in tightly sealed systems
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Use Polyfilter padsas an alternative to a skimmer to export bonded nitrate compounds
Why Choose AZ‑NO3 Over Other Nitrate Removers?
| Feature | AZ‑NO3 | Other Nitrate Products |
|---|---|---|
| Works via Enzyme Respiration | ✅ Yes | ❌ Often bacteria or binders |
| Test Kit Friendly | ✅ Accurate readings | ❌ May give false 0 readings |
| Cold-Filtered, 4th Gen Formula | ✅ Reduced clouding | ❌ May cause haze or bloom |
| Safe for Reef Inhabitants | ✅ 100% reef-safe | ❌ Some unsafe for inverts |
| Compatible with All Additives | ✅ Fully compatible | ❌ Risk of chemical conflict |
| Shelf Stable (Unopened) | ✅ Indefinite | ❌ Limited |
| Yeast & Sugar-Free | ✅ No byproducts | ❌ Often includes organics |
Developed by Experts, Trusted by Hobbyists
Created by a team ofbiochemists and hydroculturists, the AZ‑NO3 formula is the result of years of biochemical research into safe, effective nitrate management for reef aquariums. It’s been rigorously tested in diverse marine systems—from nano reefs to commercial frag tanks—with consistent success.
Eliminate nitrates. Elevate your reef.
With AZ‑NO3 Absolute Zero Nitrate, you’re not just removing nitrate—you’re restoring your aquarium to its healthiest, clearest state yet.
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