Hi I use a mix of sintered glass "Siporax" and chicken bone sized crushed coral as my bio filtration medium. I saw a comment somewhere that using sintered glass was equivalent to starting a "nitrate factory". Perhaps someone could explain?
I have used it for years, and dont have a nitrate problem. I have six sumps all using the coral/sintered glass mix. Oh well we all have to do what we do.Rod, it's not so much the sintered glass or CC, but rather most mechanical flitration. The point is that it traps detritus which eventually causes nitrate to rise. I have never seen it being used, but by the sound of it, it will be difficult to clean the sintered glass. Therefore it will trap detritus and cause nitrate accumalation.
Sintered glass is way cheaper today than in the past. We are now getting it from China. One should remember that a little goes a long way due to its porosity and thus its surface area. And yes it does help in denitrification.In my Discus keeping days of the past I always wanted to try sintered glass, but it was way too expensive at the time.
Sintered glass was toted as having a very very high surface area. It was also very porous. Now depending on the flow around it it is possible that it does denitrification as well provided that the water flowing through it is relatively clean. Just a thought. I have no experience with the product.
The ZEOlites used in the ZEOvit method strip ammonia out of the water before it gets a chance to form nitrite. That's part of the system anyway.I am on dangerous ground here but I believe the tanks using zeolites are based on the same principle. Zeolites have a crystaline structure where the bacteria can lie in wait for a morsal of ammonia or nitrate.
Zeolites cant remove ammonia in salt water. Zeolites exchange a sodium ion for a NH3 ion, thus removing it from solution. As the concentration of sodium ions in salt water is so high this exchange cannot take place.The ZEOlites used in the ZEOvit method strip ammonia out of the water before it gets a chance to form nitrite. That's part of the system anyway.
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