Do the micronutrients stay in the dirt, under the cap, available to rooted plants, or do they get through the sand cap and become available to plants that intake through the leaves? Thx for the help.
(I guess they probably get through because all plants need macros.)
MY TANK: Planted 10g; 2 x 10W CFL; Fluval U2 internal filter; MGOCPM/black sand cap
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started April 18, 2012