Anyone dose Iron? - The Planted Tank Forum
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post #1 of 29 (permalink) Old 07-30-2014, 08:44 PM Thread Starter
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Anyone dose Iron?

My HC has some yellowing in it, so I was wondering if it is Iron Deficiency, I have read all about it and it all points to the same symptoms. Does anyone use anything to detect Iron in the water column, or how does that work?

Also, how do you dose and any recommendation on the product?
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post #2 of 29 (permalink) Old 07-30-2014, 08:53 PM
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Are you currently dosing any ferts? Running Co2? What are your tank parameters?


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post #3 of 29 (permalink) Old 07-30-2014, 08:53 PM
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post #4 of 29 (permalink) Old 07-30-2014, 09:10 PM
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I can't speak to your HC issues, but I dose with iron chelate from GLA. I dose the equivalent of 1/2 the EI micro amount 3x per week. I make 4 months worth of liquid fert mix at a time for auto-dosing, and the iron goes in with my micro mix.


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post #5 of 29 (permalink) Old 07-30-2014, 09:53 PM
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I use Flourish iron daily... one cap for 90 gallons. I also perform a 50% water change weekly. I noticed your profile pic and would like to add it has not affected my shrimp at all. Pushing red clay balls into the substrate is something I am looking into as well. I haven't had any yellowing since starting this process. My sword plants are almost a blue green at times.
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post #6 of 29 (permalink) Old 07-30-2014, 11:06 PM
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Can you post close up detailed photos of the HC that is yellowing?

We need to be able to clearly see if the new leaves are discolored or if it is the old leaves. It makes a difference.

Also, info about how you are growing the HC would be helpful. Many unrelated plant issues can turn plants yellow. The devil is in the details.
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post #7 of 29 (permalink) Old 07-31-2014, 12:39 AM Thread Starter
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Quote:
Originally Posted by Dragonxflare View Post
Are you currently dosing any ferts? Running Co2? What are your tank parameters?
Daily 1ML of potassium
Daily 1ML of CO2 Booster
0 Ammonia / Nitrate / Nitrite
6 pH
Light is a Fluval Eco Bright LED, 400 lumens
Some osmocote+ root tabs.

The tanks been active, fully cycled for months now. Here are a few pictures, please let me know what I can change. I know HC requires CO2, but I want to make it work without it.

You can tell that some are discolored whereas others are fine.

Pictures are here: http://imgur.com/a/saH3C

Note some of the "white" leaves, they're not white, It's just flakes, but there's discoloration of yellow.

Anything else I need, please advise.
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post #8 of 29 (permalink) Old 07-31-2014, 12:46 AM
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I think its your nitrogen thats low. Not iron. Your nitrate should be atleast 10 to show there is enough nitrogen in your water column for plants. When I was just dosing Potassium I had the same problem and I thought its iron/trace deficiency, tried dosing trace/iron didn't work. Started adding nitrates it worked like a charm.
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post #9 of 29 (permalink) Old 07-31-2014, 01:08 AM Thread Starter
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All I have is a test kit that checks the color, so it's hard to tell what level my nitrogen is, doesn't my root tabs release nitrogen anyway? Looking for more input thanks!
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post #10 of 29 (permalink) Old 07-31-2014, 01:36 AM
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It looks like the old leaves are turning yellow while the new leaves are growing in smaller and smaller. This is consistent with nitrogen deficiency, not iron deficiency. A lack of iron produces normal sized leaves that are white.

Root tabs don't always evenly provide nitrogen. They also may contain ammonia which is harmful to HC.
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post #11 of 29 (permalink) Old 07-31-2014, 01:46 AM
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test kits for nitrate are ridiculous; ambiguous colors, broad values, etc.... (plus most guys are terrible at distinguishing color difference)

But I'd guess if its indicating anything close to zero, you're way too low on nitrates. There's no reason to be dosing potassium if you aren't already dosing nitrates and phosphates. Get some ferts for those, and I bet your HC would perk up.
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post #12 of 29 (permalink) Old 07-31-2014, 04:04 AM
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They make digital nitrate tests and phosphate tests. The nitrate kit is 200 somethong, but the phosphate test kit is about 40 which is very affordable. Plus it's accurate to 0.01 ppm.
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post #13 of 29 (permalink) Old 07-31-2014, 12:42 PM Thread Starter
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For nitrate deficiency, what do you get?
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post #14 of 29 (permalink) Old 07-31-2014, 01:39 PM
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Quote:
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For nitrate deficiency, what do you get?

KNO3 from aquariumfertilizer.com or Greenleaf aquarium.com
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post #15 of 29 (permalink) Old 07-31-2014, 01:44 PM
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Yes potassium nitrate is the best option (though there are many other options as well).

www.aquariumfertilizer.com will also sell what you need if you don't find what you need on the above site.
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