How to raise nitrates without raising potassium - The Planted Tank Forum
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post #1 of 8 (permalink) Old 05-22-2020, 12:04 PM Thread Starter
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How to raise nitrates without raising potassium

Hi all, having an issue with too much potassium getting in and looking to change my regime. I think there’s potassium going in every step of the way... I use RO water, remineralise with Seachem equilibrium, fert with Liverpool Creek all in one (Aussie brand - it’s brilliant) and Seachem nitrogen. Pressurised co2 used with 50% weekly change.
I bought a JBL potassium test kit today and The turbidity didn’t even let me see 1cm up - problem is there’s no way of deciphering what levels are past 15mg/l.
Is there anyone who can help me figure this out??
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post #2 of 8 (permalink) Old 05-22-2020, 12:25 PM
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Stop dosing Equilibrium and use CaSO4 and MgSO4 for gH

Per 1 US Gallon:
0.386 Grams CaSO4 - 30ppm Ca, 4.2 degrees gH
0.384 Grams MgSO4 - 10ppm Mg, 2.3 degrees gH

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post #3 of 8 (permalink) Old 05-22-2020, 03:35 PM
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I have found the Salifert freshwater potassium test kit to be much better than JBL (which I used to use). discussion here: https://www.plantedtank.net/forums/1...expensive.html.
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post #4 of 8 (permalink) Old 05-22-2020, 06:23 PM
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I'm interested to know how you know you have too much potassium.
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post #5 of 8 (permalink) Old 05-22-2020, 06:28 PM
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Quote:
Originally Posted by Ddrizzle View Post
I'm interested to know how you know you have too much potassium.
Remineralizing with Equilibrium + dosing an all-in-one fert will yield loads of potassium.

"No Ice? Just Freeze Some Water"

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post #6 of 8 (permalink) Old 05-22-2020, 06:53 PM
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Quote:
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Quote:
Originally Posted by Ddrizzle View Post
I'm interested to know how you know you have too much potassium.
Remineralizing with Equilibrium + dosing an all-in-one fert will yield loads of potassium.
Sure, but how do we know it's too much.
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post #7 of 8 (permalink) Old 05-22-2020, 06:59 PM
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More nitrates without potassium? Add ammonia and wait.
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“Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.” -Jules Verne
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post #8 of 8 (permalink) Old 05-22-2020, 09:04 PM
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Fish food will add nitrogen and phosphate with little potassium. In other words, stock higher fish load and feed more.
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