KNO3 (Potassium Nitrate)

[CaliKid]

Ok, this sounds like a really dumb question, but dosing this will increase my nitrates...right?

I'm dosing (1) tsp every other day on a 75g co2 injected tank that is approx. 20 - 25% planted. Does this amount sound reasonable?


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[Tom Barr]

Yes

I'd add about 1/2 teaspoon maybe 3x a week.

I'd also shoot for 50-70% planted.

[CaliKid]

Thank you Tom.


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[CaliKid]

Attached is my EI dosing regimen and a pic of the tank. Please review the dosing and let me know if you have any recommended adjustments.


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[CaliKid]

Sorry, the dosing regimen is illegible. Here it is in text format:

Sean's Fertilizer Dosing Regimen

Monday
Dose 1 Tsp of CSM+B
Dose ¼ Tsp of Fe (Iron Chelate 13% Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Tuesday
Dose ½ Tsp KNO3 (Potassium Nitrate Mix)
Dose ¼ Tsp KH2P04 (Mono Potassium Phosphate Mix)
Dose ¼ Tsp K2S04 (Potassium Sulfate Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Wednesday
Dose 1 Tsp of CSM+B
Dose ¼ Tsp of Fe (Iron Chelate 13% Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Thursday
Dose ½ Tsp KNO3 (Potassium Nitrate Mix)
Dose ¼ Tsp KH2P04 (Mono Potassium Phosphate Mix)
Dose ¼ Tsp K2S04 (Potassium Sulfate Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Friday
Dose 1 Tsp of CSM+B
Dose ¼ Tsp of Fe (Iron Chelate 13% Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Saturday
Water Change / Clean Prune or plant
Sunday
Dose ½ Tsp KNO3 (Potassium Nitrate Mix)
Dose ¼ Tsp KH2P04 (Mono Potassium Phosphate Mix)
Dose ¼ Tsp K2S04 (Potassium Sulfate Mix)
Dose 1‐1/2 Capfuls of Flourish Excel
Dose 1 Tsp of GH Booster


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[Biollante]

Hi,

I just talked to a nice lady from the LVVWD and first thing you do not need to add any GH Booster.

I would cut the amount of CSM+B and KH2P04, Mono Potassium Phosphate in half.

The Potassium sulfate is optional.

Not to get too technical, but CSM+B is a mix, Potassium nitrate, Potassium sulfate and mono Potassium phosphate are ionic compounds.

Monday
Dose ½ Tsp of CSM+B
Dose ½ Capfuls of Flourish Excel
Tuesday
Dose ½ Tsp KNO3 (Potassium Nitrate)
Dose ⅟₁₆ Tsp
Dose ¼ Tsp K2S04 ()
Dose 1‐1/2 Capfuls of Flourish Excel
Wednesday
Dose ½ Tsp of CSM+B
Dose 1‐1/2 Capfuls of Flourish Excel
Thursday
Dose ½ Tsp KNO3 (Potassium Nitrate)
Dose ⅟₁₆ Tsp KH2P04 (Mono Potassium Phosphate)
Dose ¼ Tsp K2S04 (Potassium Sulfate)
Dose 1‐1/2 Capfuls of Flourish Excel
Friday
Dose ½ Tsp of CSM+B
Dose 1½ Capfuls of Flourish Excel
Saturday
Water Change / Clean Prune or plant
Sunday
Dose ½ Tsp KNO3 (Potassium Nitrate)
Dose ⅟₁₆ Tsp KH2P04 (Mono Potassium Phosphate)
Dose ¼ Tsp K2S04 (Potassium Sulfate)
Dose 1½ Capfuls of Flourish Excel

Assuming a net 65-gallons of water the above yields about:

• 0.86-ppm iron per week and a proxy for trace.
• 19.4-ppm nitrates
• 1-ppm phosphate
• 21.4-ppm Potassium.

And in answer to your original question, yes KNO₃ will increase nitrates and for that matter Potassium.

Biollante

[CaliKid]

Thank you Biollante. This is great information. I should clarify that I posted previously while visiting my Father in Las Vegas. I actually live not too far from Tom in Cameron Park 95682. My water supply is delivered from El Dorado Irrigation District. I'll see if I can get a detailed report on my water supply and share for your further evaluation of the GH Booster.

Thanks again.


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[CaliKid]

Hi Biollante. I also noticed in your revised schedule, that you have completely eliminated the Iron Chelate. Just want to verify.


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[Biollante]

Hi,

Yes, I left the extra iron out as lightly planted, as you seem to be unless you are growing monsters (evil or otherwise) such as Echinodorus spp. and so forth the CSM + B should be plenty. You probably could get away with even lower dosing.

I just looked up El Dorado Irrigation District water quality reports and I have changed my mind, you certainly can stand GH and for that matter KH boosting.

For reasons I cannot fathom (then I am not very bright) Barr’s Booster contains a lot of Potassium sulfate so if you boost your GH that way stop dosing the Potassium sulfate.

• 10 teaspoons Barr’s GH Booster at each water change will raise your GH about 50-ppm, 2.8-dGH, for a total GH of about 3.7-dGH.
  
  • It will also put your total Potassium K⁺ around 63-ppm assuming you stop dosing extra Potassium sulfate.

The way I would do it is add 5-teaspoons of Calcium chloride (mixed outside the aquarium, it is exothermic) and 1½ teaspoon Epsom salt (you can dry dose this) at each water change this will add about 55-ppm, 3-dGH for a total 71-ppm, almost 4-dGH.

Some say this is not necessary; maybe, but life is easier, especially when starting out if you place yourself in the middle of the operating envelope.

More controversial still, add 3½ teaspoons of baking soda, once, then at each 50% water change add 1¾ teaspoons of baking soda this should put you and keep you around 4-dKH.

Biollante

[CaliKid]

Hi,

Yes, I left the extra iron out as lightly planted, as you seem to be unless you are growing monsters (evil or otherwise) such as Echinodorus spp. and so forth the CSM + B should be plenty. You probably could get away with even lower dosing.

I just looked up El Dorado Irrigation District water quality reports and I have changed my mind, you certainly can stand GH and for that matter KH boosting.

For reasons I cannot fathom (then I am not very bright) Barr’s Booster contains a lot of Potassium sulfate so if you boost your GH that way stop dosing the Potassium sulfate.

• 10 teaspoons Barr’s GH Booster at each water change will raise your GH about 50-ppm, 2.8-dGH, for a total GH of about 3.7-dGH.
  
  • It will also put your total Potassium K⁺ around 63-ppm assuming you stop dosing extra Potassium sulfate.

The way I would do it is add 5-teaspoons of Calcium chloride (mixed outside the aquarium, it is exothermic) and 1½ teaspoon Epsom salt (you can dry dose this) at each water change this will add about 55-ppm, 3-dGH for a total 71-ppm, almost 4-dGH.

Some say this is not necessary; maybe, but life is easier, especially when starting out if you place yourself in the middle of the operating envelope.

More controversial still, add 3½ teaspoons of baking soda, once, then at each 50% water change add 1¾ teaspoons of baking soda this should put you and keep you around 4-dKH.

Biollante

This is great Biollante. I'll take your advise and go the Calcium Chloride / Epson Salt route and see how that goes. Also going to stop dosing Potassium Sulfate. Just a clarification: the estimated results are based on using tap water for water changes?


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