thank you mate, I added about 50 - 60 grams and since last week every day when I keep my PH to around 6.8 I add the same quantity with (hydrated lime) to try to keep them in equal quantities in my system, my plants seems happier slowly
thanx
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| how much Potassium Sulfate to add? http://byap.backyardmagazines.com/forum/viewtopic.php?f=1&t=29934 |
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| Author: | YasirIRAQ [ Aug 27th, '18, 00:59 ] |
| Post subject: | how much Potassium Sulfate to add? |
Hello my friends I have 410 gallon aquaponics system. I have pH 6.8, I have potassium def, can any one please advice me on how much potassium sulfate 0-0-50 I should add for every gallon of water, and what is the best way adding it? thank you in advanced |
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| Author: | YasirIRAQ [ Aug 27th, '18, 03:03 ] |
| Post subject: | Re: how much Potassium Sulfate to add? |
by the way my friends that was the only form of K I found here in Qatar, I used to use wood ash but after research I found out that it contains more calcium than potassium so t did not really helped |
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| Author: | SebZ [ Aug 27th, '18, 07:50 ] |
| Post subject: | Re: how much Potassium Sulfate to add? |
10 grams of Potassium sulfate in your 400 gallons system will raise K concentration by 3 ppm approx. Do you have the possibility to test your current potassium levels ? If yes, you can aim to 50 to 100 ppm. If no i would suggest adding 50 grams at first and see how it goes. It may take a week or two to see the results. To add it, simply dilute the sulfate in a bucket of water and add anywhere in your system. Hope that helps |
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| Author: | skilletlicker [ Aug 29th, '18, 11:16 ] |
| Post subject: | Re: how much Potassium Sulfate to add? |
For what it's worth, my little system is only about 24 gallons. For the last 6 weeks I've been adding .5 grams potassium sulfate per 2.75 gallons of all new water. So to dose a 400-gallon system at that rate would take about 73 grams. In the ballpark with SebZ's suggestion. |
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| Author: | YasirIRAQ [ Sep 3rd, '18, 23:18 ] |
| Post subject: | Re: how much Potassium Sulfate to add? |
thank you mate, I added about 50 - 60 grams and since last week every day when I keep my PH to around 6.8 I add the same quantity with (hydrated lime) to try to keep them in equal quantities in my system, my plants seems happier slowly thanx
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