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Old 03-15-2014, 05:04 AM   #13 (permalink)
Join Date: Sep 2012
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Default Re: Fe Test Kit & Dtpa/Eddha

Zapins, 0 ppm iron will certainly result in no discoloration (/water will stay clear)
The test kit will measure iron levels from 0,008 ppm to 0,8ppm
Attached is the colour chart:

The colour chart itself is (like you see) tiny and a little bit poor, but we need to consider that this company has also a primary focus on saling their photometers for aquatic tanks.
So if you want to use the iron kit without photometer, it would be a good idea to make first some reference iron solutions and to print after doing so yours own colour chart ( for easier & better ppm reading )

The kit costs 17Euro and you can use it for 40 tests.
It is not that cheap test kit, but I think the price is fairly ok if it can measure all chelated iron.
(iron II and III)

Last edited by Mac120; 03-15-2014 at 05:09 AM..
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