Need help P04 or?

Randy Holmes-Farley

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Just buy the bagged po4 and no3 stuff from the plant guy in Canada that’s what I do

do you know the purity? Products for freshwater planted tanks have different purity requirements than reed tanks.
 

Kfactor

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do you know the purity? Products for freshwater planted tanks have different purity requirements than reed tanks.
Just go on there site and look it tells you everything about each Product the fish of hex guy uses the fresh water stuff om
His tank
 

Randy Holmes-Farley

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The plant guy

Trying to be patient. :(

Do you mean this site?


There is zero mention of purity. I do not recommend it.
 

Randy Holmes-Farley

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On a different page of their site they say folks can get info on teh product at a link. That link is:


That link does not provide useful purity info. It just lists the ordinary legal requirements to ensure a fertilizer has the nitrate and potassium claimed.

A far better sort of analysis is provided by a food grade (FCC) or other grade like USP, BP, ACS reagent, etc..

For example, the food grade requirement for potassium phosphate is:

Dipotassium Monophosphate; Dipotassium Phosphate K2HPO4
Formula wt 174.18 INS: 340(ii)
CAS: [7758-11-4]
DESCRIPTION A colorless or white, granular salt that is deliquescent when exposed to moist air. One g is soluble in about 3 mL of water. It is insoluble in alcohol.

The pH of a 1% solution is about 9. Functional Use in Foods Buffer; sequestrant; yeast food; dietary supplement.

REQUIREMENTS

Identification A 1 in 20 solution gives positive tests for Potassium and for Phosphate, Appendix IIIA.
Assay Not less than 98.0% of K2HPO4 after drying.
Arsenic (as As) Not more than 3 mg/kg.
Fluoride Not more than 10 mg/kg.
Heavy Metals (as Pb) Not more than 0.0015%.
Insoluble Substances Not more than 0.2%.
Lead Not more than 2 5 mg/kg.
Loss on Drying Not more than 2.0%.
 

Graffiti Spot

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I would dose nitrate and hope po4 drops.

But what ever happened to letting things run their course? As long as your not over feeding most tanks should be able to just manually remove most any algae or cyano as needed and the tank will eventually balance out and it won’t be an issue ever again barring any incidents or swings.
It seems like with all these new products and new reefers the whole term “keep it simple“ has been lost and a lot of people see something in their tank that they have read is bad and go straight to looking for a product to fix it.
Manual removal and the sticking to the basics are all I have ever needed to control any pest algae or the like. Sure there are some things where action is needed but it seems like things have changed a lot. I always tell people to try and go the natural route if possible. Which imo dosing nitrate is, and should help I would hope. Given your test kits are accurate.
 

Kfactor

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Trying to be patient. :(

Do you mean this site?


There is zero mention of purity. I do not recommend it.
Yep that’s it
 

Kfactor

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Yep that’s it
Trying to be patient. :(

Do you mean this site?


There is zero mention of purity. I do not recommend it.
[/QUOTE would there be much difference between agricultural grade and food grade ?
 
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TK_KW

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@Randy Holmes-Farley @GoVols

So I dosed NeoNitro twice. Today will be the third day.

Still no measurable Nitrate.

And I think this cyno maybe is getting worse? What else should I do? Does this look like cyno?

Seems to go away after lights out. As the morning it's not visible on sand bed.

20200328_151802.jpg 20200328_151711.jpg
 

GoVols

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TK_KW

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Which test kit brand are you using, and is it in date?

Try a new Salifert nitrate kit, if have not used that kit before.
I'll test tomorrow and report back. Nitrate pro is only a few months old. The Sailfert I just bought a new one today. So I'll do a doubt test tomorrow and report back.
 

GoVols

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Consumption can certainly be 2 ppm per day. That's actually the assumption I made in math modelling in one of my nitrate articles.

Question, Randy

If your phosphates are treading low, and you have high nitrates:

If you bring up your phosphates, do the higher phosphates help bring down your nitrates?

Thank you
 

Randy Holmes-Farley

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Question, Randy

If your phosphates are treading low, and you have high nitrates:

If you bring up your phosphates, do the higher phosphates help bring down your nitrates?

Thank you

Increasing phosphate can increase consumption of nitrate IF the growth of something is phosphate limited.

For example, from 0.001 to 0.03 ppm, that boost will make a number of photosynthetic organisms grow faster and take up more nitrate if there is sufficient nitrate.

If you make the same boost of 0.03 ppm from 1.00 ppm to 1.03 ppm phosphate, or even to 2 ppm phosphate, it likely will not impact nitrate consumption at all because those organisms already have plenty of phosphate to grow.
 

hotashes

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A worm with high fashion and practical utility: Have you ever kept feather dusters in your reef aquarium?

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