sulfur denitrator

sly

Active Member
What brand are you looking at? What size tank do you have? What are you nitrate levels now?
 

hatessushi

Active Member
The only downside I saw is that you have to aerate the effluent before it goes into your tank since it will have the O2 removed in the process. The drip rate is the most important thing. Make sure you follow the directions to the tee if it is a Midwest Aquatics DeNitrator. They have really good instructions and also a forum if you run into any issues. The guys at midwest are extremely helpful. The tubing they send with the unit was 10 feet and not long enough from my setup (not typical) and they sent me more at no charge.
Anyway make sure you start the drip as they say, slow like 1 drip per second then 3 daysw later 3 drips per second. If it starts to smell like sulfurthe drip needsw to be turned up.
Other then that once you have it adjusted properly it's a breeze after that with virtually no maintenance and will take your nitrates down for sure, mine did. In less then a month I went from 80ppm to <5.
 

hatessushi

Active Member
Originally Posted by jazzyz
how often do u need to replace the sulfur and is it expensive?
You can look on their website at Midwest Aquatic. The sulfur one does not need feeding but you do need to add calcium carbonate in the form of a crushed coral substrate at about every 10 weeks. It depends on the size of the tank. A smaller tank of less then 100 gallons would probably only need about 1/3 sulfur and 2/3 calcium carbonate.
You may need to replace the sulfur after a year but once again it depends on the size tank and amount of nitrates produced. Sulfur runs about $15.99 a pound of which I only used about 2.5lbs. for my 90 gallon tank.
One other good thing about the unit is that is adds calcium to the tank so you would not need a calcium reactor.
You might check their website and read about it and also check their forum or ask questions in their forum
 
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