The Planted Tank Forum - View Single Post - Dry iron fert
Thread: Dry iron fert
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Old 01-24-2013, 02:44 AM   #3
BriDroid
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Laterite is iron rich. Also the Grō Soil Tabs are high in iron (and other good stuff). I got some of them from the RAOK he did and I'm really impressed with them. It would be very easy to put them down first before the sand.
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