Maxicrop Plus Iron dosing rate?

[Shas]

Bloodmeal is no doubt the safest
and most biologically appropriate source of iron
(it has already been utilised by both plants and animals).

I'm have a question about chelated iron supplements, though-
if it is purchased from a garden or hydroponics store
it will likely be chelated with DPTA (Diethylenetriaminepentaacetate).
The makers of iron dietary supplements from the health food shop
seems to be a bit reluctant to list the actual chelating agent,
saying things like "amino acids"
(is DPTA not an amino acid?).

I'm wondering whether horticultural and human supplements
are actually the same thing
(gee, I can buy dietary supplements at Walmart garden centres!).
If they are not, how safe are the plant supplements for fish?
And for people who eat those fish?

Does anyone have firm information about this?
(guesses I can come up with myself!)

[davidstcldfl]

Interesting point Shas.....now you have me wondering too '?'

[Eleven11]

Here's something from MiracleGro

I don't see iron listed though...

[attachment=0:snrvor7l]Blood Meal - Organic Choice.jpg[/attachment:snrvor7l]

http://www.homedepot.com/h_d1/N-5yc1v/R ... reId=10051

Bloodmeal is no doubt the safest
and most biologically appropriate source of iron
(it has already been utilised by both plants and animals).

[Roger R.]

As Shas eluded to, what about crushing up a few of these for adding iron to your system?
It's approved for human consumption, in a form that people can absorb so it seems plants could too.

•65 mg
•No artificial flavors, no preservatives
•No yeast, starch or gluten
•Formulated for easy absorption
•Equivalent to 325mg ferrous sulfate

Ingredients
Ferrous Sulfate, Cellulose Gel, Dibasic Calcium Phosphate, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Titanium Dioxide [Artificial Color], Magnesium Stearate, Polyethylene Glycol, Triethyl Citrate, Polysorbate 80, Sodium Citrate.

[keith_r]

i'd rather not chance it and stick with something proven both safe and effective.. maxicrop with iron can be purchased from most hydroponic shops, or online..in my 100gallon ft/gb system, 1 liter was lasted for a year.. i got my first bottle from amazon, for under 10bucks

[Oliver]

From Wikipedia:

"Blood meal is a dry, inert powder made from blood used as a high-nitrogen fertilizer and a high protein animal feed. N = 13.25%, P = 1.0%, K = 0.6%. It is one of the highest non-synthetic sources of nitrogen. It usually comes from cattle as a slaughterhouse by-product."

I will not be putting it in any of my systems.

Oliver

[Tanktotable]

What is you have chelated iron in powdered form, what is the right dose?

[bbikebbs]

Bringing this thread back to life because I just did some testing for chelated iron. Found zero in my system. Here's the test kit I used:


I've got maxicrop with iron. Could get bloodmeal, maybe chelated iron via internet. With planting right around the corner (strawberries are in already!), I need to do something because I had symptoms of deficiencies last fall. What ever I do, I will add this test to my weekly testing just to see what happens.

I will probably add 1 cup of Maxicrop to my 175 gallons of water and test in a couple of days. That's short term. Has anyone come to a conclusion on long term?