How to dose iron chelate? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 11-19-2015, 03:56 PM Thread Starter
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How to dose iron chelate?

I think i may need to dose some iron chelate, my plants that should be red are barely red, more of a pinkish-orange color, others are just green. I have a ray 2 on a 55g, so i think i have enough light, however i am planning to get some iron chelate to dose, i dose PPS-PRO with CSM+B. What amount of iron should i add? Where are some good places to buy iron chelate?
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post #2 of 5 (permalink) Old 11-19-2015, 04:09 PM
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Same issue with l.repens. I used to run Finnex planted + 24/7 on the 24/7 mode. Changed from 24/7 setting to 10 hrs max light and dosed Seachem iron on top of my EI regime every other day (with micros). Have seen a noticeable improvement in reds in about a week.

nilocg.com for dry fertilizer. Not sure of iron chelate dosing.
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post #3 of 5 (permalink) Old 11-19-2015, 04:34 PM
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The Fe @ 10% is the correct one. Half a Lb will last till you need other nutrients from him to replace the other PPS Pro ingredients. 50% of what you add to the formula when mixing the CSM+B would not be in excess for that tank as the PPS Pro is lower per all of the ingredients than EI. 25% is what is suggested for EI though. Whatever weight in
CSM+B just use 50% or if you want to start on 25% to see if that is enough then do the 25% of the weight that is listed for that tank of the CSM+B mixed in/w the CSM+B
when you mix the formula for the solution.
This chart says you have about 58-65 PAR on that tank from the RayII...plenty enough
for red in most red plants. But the 70 PAR range is likely needed for brilliant reds.
https://www.plantedtank.net/forums/14...-par-data.html
In this picture I have Rotala Magenta which needs high light to do the color better
than what you see here. But I have 45+ PAR in this tank. So @ 60 PAR you have
25% more/higher light than I do.
https://www.plantedtank.net/forums/im.../pg_12314e.jpg

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post #4 of 5 (permalink) Old 11-19-2015, 08:47 PM Thread Starter
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Quote:
Originally Posted by Raymond S. View Post
https://www.plantedtank.net/forums/15...ug|others.html
The Fe @ 10% is the correct one. Half a Lb will last till you need other nutrients from him to replace the other PPS Pro ingredients. 50% of what you add to the formula when mixing the CSM+B would not be in excess for that tank as the PPS Pro is lower per all of the ingredients than EI. 25% is what is suggested for EI though. Whatever weight in
CSM+B just use 50% or if you want to start on 25% to see if that is enough then do the 25% of the weight that is listed for that tank of the CSM+B mixed in/w the CSM+B
when you mix the formula for the solution.
This chart says you have about 58-65 PAR on that tank from the RayII...plenty enough
for red in most red plants. But the 70 PAR range is likely needed for brilliant reds.
https://www.plantedtank.net/forums/14...-par-data.html
In this picture I have Rotala Magenta which needs high light to do the color better
than what you see here. But I have 45+ PAR in this tank. So @ 60 PAR you have
25% more/higher light than I do.
https://www.plantedtank.net/forums/im.../pg_12314e.jpg
I noticed that you mentioned lighting, I don't mind that I am lacking reds near the substrate, but plants that have grown about 8 inches from the light have well over 100 par if I am not,mistaken. And they still are barely red
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post #5 of 5 (permalink) Old 11-19-2015, 09:14 PM
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Which indicates a missing factor, likely the iron, but not necessarily exclusively the ferts.
The blue spectrum of the light is said to be utilized by plants for flowering AND production of pigments. I know of one person on here who will state that red is a necessary spectrum for red plants to be more red and for pigment production, not just the added spectrum making the color better.
But the source which said the blue is for pigment production also clearly stated that
red is primarily a growth spectrum. Many indoor plant farms use exclusively red bulbs.
But I think that RayII has the blue covered. If you look at the color graph at the top of
the link page it clearly shows a high level of blue.
Last but not least...I found that any plant the I had that was a different color other than
green didn't show well, that other color till the plant was actually at the top of the water where it got the best exposure to the higher light. Seems it could be a factor in this also.

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