Quote:
Originally Posted by Tom Barr
Still, a good balance between light and Excel/like dosing is required to achieve a higher level of growth. You also have a substrate in there, and it has what in it?
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Initially it was a high light EI tank with pressurized CO2, but I converted it into a natural planted tank about 10 months ago. I placed some potting soils into the substrate. Four months ago the older leaves of R. macrandra, L. aromatica and E. stellata showed brown dots and these dots were growing outward with time and the larger spots looked like the plant were rotting. I assumed that it was pottasium deficiency and have tried K2HPO4, but the symptoms persisted. The growth had really started to pick up only after I've switched to Excel.