No glue was use to stack the rock wall .. just stack and balance the rock.
Update on the scape.. removed the substrate at the front and top up it with white sand (look better)
Added more nana to the gap inbetween the rocks.
The BBA is almost gone too after i transfer a team of yamato shrimp from my 3ft
http://i77.photobucket.com/albums/j4...ps3lou8qvm.jpg
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