JaysLittleOcean Piece of the Reef.

View The Original Thread Here: http://www.reefcentral.com/forums/showthread.php?t=2515301

So one of the key components required to run the Deltec NFP509 Nitrate Filter properly is the Nitrate Fluid. What is this magic fluid? Its just a simple mixture of 1 part Vokda (not flavored Vokda, I used Smirnoff) and 3 parts purified water, preferably RO/DI water. Feed the Nitrate Fluid into the reactor starting at 4 ml twice a day either manually being injected using the included syringe or via a dosing pump if you prefer to go automated and the anaerobic bacteria inside the reactor will love you! And in return you will get nitrate free water (once the bacterial population is large enough). But you will need a storage container to keep your mixed fluid. I didn't go the route of having a fancy dosing vessel. My wife is into canning so I liberated one of her Ball Mason Jars and used that to mix and store my nitrate fluid.

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A simple Ball Mason Jar for mixing and storing my Nitrate Fluid.

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3 parts of RO/DI water.

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1 part of Smirnoff Vokda added to the 3 parts RO/DI Water.

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Mix it up and you have your Nitrate Fluid.


I initially was manually injecting the Nitrate Fluid into the reactor once at morning and once at night. I work pretty much most of the day. So this began to be a little troublesome to me. So I decided to setup my reactor in the semi-automatic method and use a doser to inject the nitrate fluid for me. I drilled a hole through the Ball Mason Jar lid large enough to put silicon airline tubing through and purchased a doser to do the job for me. I now have more precise control than I could every have done myself and I inject 1 ml of Nitrate Fluid 4 times per day. The doses area spread out more frequently in smaller amounts to provide for a more stable bacterial colony.

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