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Here’s my second piece I’ve done..
Some tips you may find helpful..
Buy extra dry rock, grab a chisel and a hammer to start trying to find unique/clean breaks that can contribute
Measure out the space you plan to fill in your tank, be sure to take height measurements too
Use blue painters...
I use the hydros for my gyres
Both work well, it connects with apex via another cable to be enable feed mode.
I haven’t figured out how to customize a secondary feed mode profile through apex