How do you lower nitrates when phosphates are 0??

[tebo]

Just as it sounds, my nitrates spiked to more than 10 ppm and my phosphates only increased from 0.02 to 0.04 It's been a week and the reduction of nitrates not been very significant, I recommend you, the only let down or what???

thanks

[tebo]

??????????????????????????????????????????????

[Garf]

What's been a week?

[Floyd R Turbo]

Usually it's the other way around

http://algaescrubber.net/forums/showthread.php?1979-How-do-you-lower-phosphates-when-nitrates-are-0

...because of natural denitrification. If you have any N I would say look at the scrubber, something is not working right. Is this your waterfall or UAS?

[tebo]

Hi Garf
16ppm to 14 ppm in one week

Hi Floyd R turbo,
My mistake was feeding at one time about 30 ml of a preparation of shrimp, well it broke my device and it was a disaster

Then my phosphates did not rise much but my nitrates if

The ATS is well, well grown a little black algae on the sides
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02671.jpg
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02670.jpg
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02672.jpg

I do let him down alone, I worry about is the low proportion with respect to phosphate

[Floyd R Turbo]

Shrimp has one of the lower phosphate to protein ratios, according to the Randy Holmes-Farley article from a few months ago. I'm not sure if this would mean that less P and more N would enter the system and throw everything in that direction. That would seem to go against this running philosophy about the redfield ratio of N:P in food and in absorption of nutrients by algae.

I have long wondered if there is a connection between different food blends and the ratio of N and P and how this might affect long-term water chemistry and scrubber growth. I recently switched my DIY food recipe to include a much larger proportion of shrimp, as well as daphnia and rotifers. I wonder if that will lower the excess P inserted into the system...

[tebo]

Floyd greetings, I can not really vouch for anything scientific hehehe, but I came with stable values ​​of between 0.02 and 0.04 phosphates and nitrates between 1.1 and 3, after the disaster as if shot up nitrates and phosphates remained stable the mixture contained a higher proportion of shrimp than anything else

regards

[Floyd R Turbo]

So now you have high N and low P? I would keep feeding like normal and monitor it.

[tebo]

Hi floyd

yes, high N and low P

Well I will stay with the routine of feeding and monitor it the N

[Garf]

Tebo - is this problem affecting your display tank negatively ? I love pictures, have you got one of your tank ?

[tebo]

hi Garf

As much as negative, negative, not, but 2 sps if they hit something, but also coincided with the new implementation of the LED, so do not know who is causing real, look at the difference of the two types of lights
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02718.jpg
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02720.jpg
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02725.jpg
http://i1043.photobucket.com/albums/b440/tebomarino/DSC02726.jpg

regards

[tebo]

The no3 not drop almost anything :(

[tebo]

Well next week I will start with potassium phosphate to increase the phosphate

My no3 are: 30ppm
As phosphates are: 0.00ppm

I will obviously never be able to download the no3

regards

[SantaMonica]

Your phosphate is not 0. It is being consumed by algae before you can test it.

[Garf]

I would do some water changes instead. But each to there own.

[Wopadobop]

From what I can tell in your photo you are running a barebottom tank. The reason most people do this is so they can push massive amounts of flow through the tank without causing a sand storm. Yet you are not doing this. I see detritus build up on the left side of the tank and a lot of algae on the right side . Clean the detritus and get some powerheads going. Maybe harvest the algae off the right side manually?

[tebo]

Your phosphate is not 0. It is being consumed by algae before you can test it.
Yes, I know this, so I'm uploading is artificially phosphate, to lower the Neo3,without sufficient phosphate for algae this does not consume adequately no3

I have understood that the algae consume a 4:1 ratio No3: po4 it
is that true right?


From what I can tell in your photo you are running a barebottom tank. The reason most people do this is so they can push massive amounts of flow through the tank without causing a sand storm. Yet you are not doing this. I see detritus build up on the left side of the tank and a lot of algae on the right side . Clean the detritus and get some powerheads going. Maybe harvest the algae off the right side manually?


I have two closed loops each with its hammerhead, believe in my tank does not accumulate debris, that you see on your left side you have to scrape to remove,

and algae on the right is a rock that came loaded with phosphate and am recovering

Read the full post and will understand it comes to this situation

regards

[SantaMonica]

to lower the No3,without sufficient phosphate for algae this does not consume adequately no3

There is plenty of PO4 with every feeding, every pooping, every peeing, every coral mucus, etc.


I have understood that the algae consume a 4:1 ratio No3: po4 it is that true right?

Algae consumes N and P in the same ratio that food provides it. It does not matter what the ratio is. What matters is that the more you feed, the more the algae grow.

It's simply a matter of too much food going in, compared to how strong your scrubber is. Flow in the display is also an issue, because if the ammonia, N, and P hit the problem areas before they get to your scrubber, then the problem areas will get the nutrients first. So if your scrubber is weak, then stronger flow to your scrubber will help. If your scrubber is very strong, you may not need strong flow to your scrubber.

It's all about how long nutrients stay in the water before they are consumed by something.

[tebo]

If I know this whole process I have enough time following the ats, learning from all your post

My aquarium has always been low in P and N through the ATS, the problem is that a few weeks ago accidentally spill a little over 500 ml of a preparation of food, this caused the imbalance that I have right now

No3: 25ppm Salifert
Phosphates: 0.00ppm hanna

Then I started adding potassium phosphate to raise po4

Is this OK to do

[SantaMonica]

accidentally spill a little over 500 ml of a preparation of food, this caused the imbalance that I have right now

Food is not "imbalanced" in N and P. It has about the same "balance" as algae.

No do not add P.

Just continue trying to make your scrubber stronger. Or, just let it run.

[tebo]

when you say make it stronger, what you mean

more light, more flow, what do you mean exactly

[SantaMonica]

Both. Rougher screen too.

[tebo]

ok, thanks

[SantaMonica]

Also, making the light even across the screen.

[tebo]

My problem is not my ats, not really know if you remember but my ats its really strong, what happens is the mistake I made that shot my N over the 15 ppm and P to a little more than 0.02ppm

Already have my ATS rolling one month and has not lost anything

So the question is whether he needs more phosphate

[Garf]

I think SM May be referring to your earlier picture of your screen. There are two banks of fantastic " incredible hulk " growth. I think the aim would be having this growth all over the screen. Ie why is it in two banks of growth, and replicate this for the entire screen.

[SantaMonica]

No need to add P. Different species of algae grow to consume different ratios of N and P.

[tebo]

OK ok I have it