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3,176 Posts
@Edward
you seem to understand my logic. but, as we both knows it’s almost impossible to follow such approach when using the Tap water, it’s not only about Ca, Mg or K, but other nutrients and their ratio is important as well. but I have explained that in my thread why we shouldn’t rely on these ratios due to several factors. I certainly wouldn’t recommend adding 50 ppm K just to satisfy the Ca:Mg:K ratio especially when the Ca is 70 ppm, in such case we might have to ignore the Ca for now and focus more on Mg:K and other nutrients. in order to satisfy the Ca ratio, we have to dose everything in Excess, even exceeding the EI levels, probably not the best approach.
Furthermore, jellopuddinpop might have to make several tweaks to his dosing to get it right because his water parameters will not only interfere how the ratio works, it will also determine the availability of the nutrients. So he might have to dose more of this or that after observation.
It might be best to ignore the Calcium in his case for now and dose other things in ratio such as NPK, Mg, Traces/Fe etc, even these might require some tweaking. I see no major issue if he was to add 10 ppm Mg and 20 PPM K weekly, even though their requirement are not that high, at least this will be somewhat closer to the ratio without adding them in excess amount.
“I would remove the CSM+B and start dosing Tropica 10 x recommended dose (10 x 0.012 ppm = 0.12 ppm a day), it is a proven product. Then increase NO3 to 30 ppm, 6 ppm PO4, 50 ppm K and 20 ppm Mg, water column levels”
This should work as well, even though these numbers exceed the requirement. If 25-50% of the that 30 ppm NO3 is from Urea, it might work even better but now we are looking at quite rich doses of urea and risk green water and other algae’s. 0.12 ppm Fe daily from Tropica might be way too much, I would set that to 0.3 – 0.4 Maximum weekly, only time will tell if more is really needed.
you seem to understand my logic. but, as we both knows it’s almost impossible to follow such approach when using the Tap water, it’s not only about Ca, Mg or K, but other nutrients and their ratio is important as well. but I have explained that in my thread why we shouldn’t rely on these ratios due to several factors. I certainly wouldn’t recommend adding 50 ppm K just to satisfy the Ca:Mg:K ratio especially when the Ca is 70 ppm, in such case we might have to ignore the Ca for now and focus more on Mg:K and other nutrients. in order to satisfy the Ca ratio, we have to dose everything in Excess, even exceeding the EI levels, probably not the best approach.
Furthermore, jellopuddinpop might have to make several tweaks to his dosing to get it right because his water parameters will not only interfere how the ratio works, it will also determine the availability of the nutrients. So he might have to dose more of this or that after observation.
It might be best to ignore the Calcium in his case for now and dose other things in ratio such as NPK, Mg, Traces/Fe etc, even these might require some tweaking. I see no major issue if he was to add 10 ppm Mg and 20 PPM K weekly, even though their requirement are not that high, at least this will be somewhat closer to the ratio without adding them in excess amount.
“I would remove the CSM+B and start dosing Tropica 10 x recommended dose (10 x 0.012 ppm = 0.12 ppm a day), it is a proven product. Then increase NO3 to 30 ppm, 6 ppm PO4, 50 ppm K and 20 ppm Mg, water column levels”
This should work as well, even though these numbers exceed the requirement. If 25-50% of the that 30 ppm NO3 is from Urea, it might work even better but now we are looking at quite rich doses of urea and risk green water and other algae’s. 0.12 ppm Fe daily from Tropica might be way too much, I would set that to 0.3 – 0.4 Maximum weekly, only time will tell if more is really needed.