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Old 12/04/2017, 04:47 PM   #26
Belgian Anthias
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Originally Posted by Belgian Anthias View Post
The effect on alkalinity depends of the nitrogen source used

ammonium as nitrogen source

16NH4+ + 92 CO2 + HPO42- + 92 H2O + 14 HCO3-→ C106H263O110N16P + 106 O2 EblingEnCo2006)

nitrate as nitrogen source

16 NO3- + 124 CO2 + HPO42- + 140 H2O → C106H263O110N16P + 138 O2 + 18 HCO3- EblingEnCo2006)
Given a choice, ammonia is preferentially taken up by algae and algal phytoplankton over nitrate.
This is for the biosynthesis of saltwater algae. Respiration is just the opposite of the above equations. EblingEnCo2006)

Belgian Anthias

Current Tank Info: BBS: BADES Biofilm System. An aqua-system in wich the nitrogen cycle is closed by removing the daily nitrate production daily, every day, by incorporation of BADES (Biological Anaerobe Denitrification using Elemental Sulphur.)
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Old 12/05/2017, 10:36 AM   #27
NS Mike D
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Join Date: Apr 2015
Location: Huntington, NY
Posts: 391
Organic Chemistry and the need to sleep (7am 5 days a week) is what stood between me and my Pharmacy degree (ended up taking a much easier path and earned a degree in economics ;-) )

Now 4 decades later I find myself reading this thread over and over with, might I admit, a bit of enthusiasm and interest.

Sometimes, life's sense of humor can be bitterly ironic.

I'm enjoying these threads that explore the bio-cycles going on in our tanks , and not just "I have algae, which over-priced snake oil do I need to add to my tank so it magically disappears in a week?"

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