Tell me about your Low Nutrient / ULN system that doesn't have dinos

[LOVEROCK]

ULN allow folks to increase the availability of DON wile removing DIN.
Coral will grow faster in the presence of DON for a constant production of DON folks have to keep adding lots of food to a system and remove the end pollutants which is DIN. ULNS will become a thing from the past as more and more folks start to realise that you can buy DON in a bottle this days and not needing to add a large biological load to achieve the same end point in a more controlled manner.

What is don and din ?

 

[sixty_reefer]

What is don and din ?

DON is dissolved organic nutrients and DIN is dissolved inorganic nutrients

 

[LOVEROCK]

DON is dissolved organic nutrients and DIN is dissolved inorganic nutrients

Can you school me what’s the difference between inorganic and organic in lay man’s term

 

[sixty_reefer]

Can you school me what’s the difference between inorganic and organic in lay man’s term

The main difference is that organic nutrients contain a Carbon atom In them. Organic nutrients are more widely known as Carbon, Nitrogen and phosphorus. Inorganic nutrients will be your po4 and no3 they are the final stage of nutrient and also considered by many pollutants, it’s my belief that autotrophic organisms benefit from DON and Heterotrophic organisms benefit from DIN for most of the organisms that require dissolved nutrients.

 

[ScottB]

The main difference is that organic nutrients contain a Carbon atom In them. Organic nutrients are more widely known as Carbon, Nitrogen and phosphorus. Inorganic nutrients will be your po4 and no3 they are the final stage of nutrient and also considered by many pollutants, it’s my belief that autotrophic organisms benefit from DON and Heterotrophic organisms benefit from DIN for most of the organisms that require dissolved nutrients.

I like your description.
So when we add an additional carbon source (vodka,etc) we send the autotrophic colony into overdrive, "consuming" N & P at a faster rate. Everything else equal, we get a lower level of measured nitrates & phosphates. Question: what is the waste product left over from that consumption process? I end up with a lot of extra "goop" in my skimmer.

 

[sixty_reefer]

I like your description.
So when we add an additional carbon source (vodka,etc) we send the autotrophic colony into overdrive, "consuming" N & P at a faster rate. Everything else equal, we get a lower level of measured nitrates & phosphates. Question: what is the waste product left over from that consumption process? I end up with a lot of extra "goop" in my skimmer.

Yes, in my opinion we get lower pollutants and by effect make nitrogen and phosphorus more available for some autotrophic organisms like coral and algae.
The availability of Nitrogen and Phosphorus will be dependent on Dissolved organic carbon and how much important a system gets.
my understanding is that a skimmers will remove particular organic matter and during carbon dosing the skimmer will also be removing the pelagic bacteria that assimilates nitrates and phosphates

 

[Oregon Grown Reef]

I haven't seen an sps dominated tank that carbon doses, but I'm also not very good at finding things like that. If I search for carbon dosed sps tank and I can't find anything, then I pretty much give up there. Would anyone here that carbon doses and also keeps an sps dominant tank be willing to post photos?

 

[Oregon Grown Reef]

I found one and it was reef of the month. He runs very low nutrients via carbon dosing and an ATS. When asked about major challenges, there was no mention of dinos.

@TUSI

REEF OF THE MONTH - July 2021: TUSI's Amazing SPS Reef Revisited!

R2R Username: @TUSI Build Thread: Tusi's tank thread Editor's Note: This is the first time in the history of our Reef of the Month that we have revisited a tank that we previously featured. However, we think you will all agree that Tusi's...

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