"Promoting Quality Livestock and Water Quality to the Ornamental World"

 

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THE EFFECTS OF VARYING NITRATE LEVELS ON FISH & PLANTS.

   Nitrate Concentration

                             

     Water Purity

           

         Effects on Plants

                          

        Conditions   for Fish

Below 12.5 mg/l

Very High.

Good growth, algae is not stimulated.

Excellent.

12.5 - 25 mg/l

High.

Very good growth algae is stimulated.

Good.

25 - 50 mg/l

Medium, Partial water change recommended.

Good growth, Algae problems starting.

Tolerable.

50 - 100 mg/l

Low (Medium Pollution)
Water change needed.

Fair growth, Increased algae problems, start of blue/green algae.

Beginning of harmful effects on health, growth and vitality.

Above 100 mg/l

Very low (High Pollution)
Total water change needed

Stagnating plant growth,problems with blue/green algae.

Intolerable conditions, pronounced harmful effects to fish.


Nitrate levels are a very good indicator as to whether enough water changing is been done.
The chart above shows that 25 - 50 mg/l of Nitrate is the point where the water quality starts to rapidly decline for both Fish and Plants. You should try to avoid the Nitrate level rising higher than 50 mg/l .
Weekly testing and recording of Nitrate levels will clearly show if the level is going up or down in your tank you can then alter the amount of water changing accordingly.
If you're Nitrate level is high in your tap water then it will be difficult to keep a satisfactory level. To over come this problem we suggest you use our Pre Made water that has had all the Nitrates removed and with a minimum weekly 10% water change very satisfactory Nitrate levels can be maintained very easily.


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