PlantGuy's Chelated Iron (13%) (EDTA) 500ml dry mix free shipping
We currently have 2 in stock.
Which type of iron you use depends on how hard your water is. If your PH is around 6.5 or below 13% EDTA is a fine option. If you PH is above that, DTPA 11% is a better option as the iron is available to plants for a longer period of time in the harder water
Mix package with 500ml of distilled or RO water. Dosing 2ml per 10g will raise Fe to Estimative index levels of 0.5ppm
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