Black Diamond Blasting Sand

Jungle val may be too spreading for your tank footprint. I have to control it in my 55g & try to keep it along the back but it's a bit of work.

The blasting sand looks very nice! I think your swords are buried a bit deep but it's hard to see. The crown (where leaves & roots meet) needs to be just barely above the substrate, better slightly above than under. A gentle pull should be all it takes once roots are buried.
 
true waterproof (IP67 or -68) LED strips are becoming common. you could significantly increase the light levels by putting in a few short strips of "cool white" LEDs (better for plant growth than the "warm whites" spectrum) and just snake the 12V line down the back side of a support to a 12V wall cube
 
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