Kordon's original instant dechlorinator and water conditioner

  • Replaces fishes' lost skin slime
  • Adds electrolytes to the water
  • Disassembles toxic chloramine in the water and removes chlorine
  • Removes copper and other heavy metals from the water
  • Stabilizes by buffers pH of tap water
  • Amine-Free
  • Made in U.S.A.
Kordon's NovAqua® is the original fresh and saltwater conditioner product developed scientifically over 35 years ago. NovAqua's formula is based on original research on the needs for detoxifying tap water to be used in aquariums and ponds for fish, aquatic animals, and aquatic plant keeping.  

NovAqua also includes skin protection for fishes. NovAqua provides a colloid coating on a fish's body when the natural slime has been removed due to injury, disease or rough handling. The coating acts like an invisible bandage, providing a barrier against serious loss of internal fluids and electrolytes and protects damaged areas of the body against external toxins and disease causing organisms.

NovAqua aids in concentrating certain drugs and antibacterials at the diseased or damaged site.

NovAqua detoxifies heavy metals and is capable of eliminating free copper ions from solution.

NovAqua contains cations and anions that are required by freshwater fishes. Freshwater fishes remove these ions from water via the gills.  The need by fish for these ions is increased during times of stress.

One major function of  NovAqua is to neutralize chlorine (free and combined). Its buffering action is designed to assist aquatic organisms in adapting to new environments and to prevent pH shock.

Item No. 31111 - NovAqua® - 1 fl. oz. (29mL) bottle, treats 60 gallons
Item No. 31144 - NovAqua® - 4 fl. oz. (118mL) bottle, treats 240 gallons
Item No. 31148 - NovAqua® - 8 fl. oz. (236mL) bottle, treats 480 gallons
Item No. 31156 - NovAqua® - 16 fl. oz. (473mL) bottle, treats 960 gallons
Item No. 31161 - NovAqua® - 1 gallon (3.78 L) jug, treats 7,693 gallons
Item No. 31175 - NovAqua® - 5 gallon (18.9 L) container, treats 38,468 gallons

Compatabilities & Contraindications

Kordon's NovAqua is compatible with the majority of non oxidizing medications used in the control of fish diseases. NovAqua will precipitate ionic (non-chelated) copper but will react only slowly with chelated coppers. This product is safe for use in established aquaria and will not interfere in normal biological filtration.

NovAqua is not a medication nor chemotherapeutic agent and is not indicated for any specific disease. Its intended use is as a multipurpose water conditioner.

No cautions are required in the use of this product. NovAqua does not reach toxic levels with regular use or even upon accidental or purposeful over dosage.

Directions for Use


The Standard Dosage for Kordon NovAqua is the same as for Kordon's other liquid water conditioners, 2 drops per gallon, one teaspoonful (5 mL) per ten gallons, one fluid ounce per 60 gallons (29.5 mL).

The use of NovAqua is suggested for the following conditions at the rate of a Standard Dose of 1 teaspoon per 10 gallons of water:

New aquariums and ponds and water refills:
NEW AQUARIUMS AND PONDS: Use at recommended standard dose. Add NovAqua to the water when setting up a new tank or pond, preferably before the fish are added.
WATER CHANGES: Add to new water each time a water change is made. The amount of NovAqua to be used is determined by the total amount of water in the aquarium or pond. 

If water is suspected of containing chloramines (a complex of chlorine and ammonia) or ammonia, the following procedure should be used to protect your fish and invertebrates: (1) Add NovAqua to protect the fish from stress, add a protective slime coat and prevent shock; (2) Add Kordon's AmQuel Plus to remove ammonia and chloramines from the water.

Fish and invertebrate shipping/receiving.
NovAqua can be added to the shipping water before fish or invertebrates are shipped and after receiving. The use of NovAqua will reduce stress, osmotic shock and possible chemical poisoning. The use of NovAqua also reduces the probability of infection and increases the chances of recovery. It is recommended that Kordon's AmQuel also be added to shipping water to reduce toxic effects of free ammonia during shipping.  
Fish transport from shops.
The use of NovAqua will reduce stress and osmotic shock. Use at the recommended dosage (10 drops will treat 1 gallon). Add to the water in plastic bags containing the fish before transporting from shop to home aquaria.
Transportation of Aquarium plants.
Mix a solution of NovAqua as directed under "Suggested Usage". Dip each plant into the solution. Wrap for shipment. NovAqua acts as a humectant, holding moisture in the plants over extended periods of shipment.
Field collections.
Fewer losses will be incurred due to stress, osmotic shock and chemical poisoning if newly captured specimens are transferred immediately to water pre-treated at the normal dose with NovAqua.

Purposes & Benefits

The Advantages of Using NovAqua are:

NovAqua utilizes a unique system for supplying fishes with a protective synthetic film "slime coating" which forms rapidly on damaged areas. As the fish recovers, the natural slime layer is replaced and the synthetic coat is sloughed off the fish's body. The action of NovAqua results in a "bandaging effect" on the body of the fish. The action of this coat provides a barrier against serious loss of internal fluids and electrolytes and protects damaged areas of the body against external toxins and disease causing organisms. NovAqua also aids in concentrating certain drugs and antibacterials at the diseased or damaged site.  
NovAqua contains a two-component system which neutralizes free and combined chlorine (chloramine) and iodine in water. NovAqua is designed to neutralize up to 3.75 ppm of chlorine (free and combined). As a dechlorinator alone, NovAqua out-performs the majority of the best selling dechlorinators on the market.  In turn, it is outperformed by Kordon's NovAqua Plus which dechlorinates 6.0 ppm of chlorine (free and combined). 
NovAqua contains a high capacity buffering system that is active in fresh water. This system buffers fresh water away from extreme fluctuations in pH as the water is exposed to the air, rapidly changing in pH as carbon dioxide is released from the water and oxygen is absorbed into the water.   This temporary buffering action is designed to assist aquatic organisms in adapting to new environments and to prevent pH shock.  After the temporary buffering the water stabilizes at its natural pH level.
NovAqua detoxifies heavy metals that even in low concentrations can be toxic to many aquatic organisms. Toxic metal ions in water can come from various sources including home plumbing, medications, lead placed in the aquarium, etc. The detoxifying process of NovAqua precipitates the metal ions into harmless compounds rather than chelating them. NovAqua is fully capable of precipitating free copper ions (Cu++) from solution, up to 1.17 ppm. NovAqua forms a unique insoluble, polymeric salt with heavy metals that is stable under conditions of both high and low pH. This is a notable advantage over other products that rely strictly upon the chelating process. Such chelates are unstable, pH dependent, and can exchange their "bound" metal ion for another, releasing toxic ions into the water. 
NovAqua contains elements (cations and anions) that are required by freshwater fishes. Marine fishes obtain their required ions by "drinking seawater", however, freshwater fishes do not. Freshwater fishes selectively remove required ions from water via the gills. The need for certain ions is increased during times of stress. NovAqua provides the electrolytes needed during periods of damage and shock in freshwater fishes.  This is particularly important in "soft water" low in elements, and other water sources that are essentially just hydrogen dioxide, such as some bottled waters, RO (reverse osmosis) water, distilled water, DI (dionized) water.  NovAqua makes it possible to use these water sources for fresh water without undue stress on the fishes and other aquatic organisms.
Novaqua's special ingredients help reduce the toxic effects of nitrite by blocking the uptake of nitrite by the animal.  To detoxify all of the toxic nitrogen compounds, including nitrites and nitrates, the use of Kordon's AmQuel Plus is recommended.

Specifications & Stability

Contains a buffering system, synthetic polymers, reducing agents (dechlorinators), electrolytes, product stabilizers, edetates for heavy metals removal.  Note:  None of the NovAqua products, now or in the past, contain any phosphates.

Properly stored, NovAqua is stable for up to 5 years in solution. NovAqua must not be frozen. If the product is suspected of being frozen, inspect the contents for evidence of crystals. If crystals have formed, the product should be discarded. Normally NovAqua should have a clear to slightly cloudy appearance. Do not use if it has a milky appearance. NovAqua does not become toxic with age or freezing, but its effectiveness is reduced.