moss wall

Hi Everyone, I'm planning to add some Amano and Cherry Shrimps in my community tank. Right now I have: Tank: 15 Gallon Filtration: HOB Dymax SL -240 and UGF Substrate: Gravel w/ broken coral and small shells Fish: 7 Pink Zebra Danios, 7 Tiger Barbs, 1 Angelfish, 1 Common Pleco Plants: Java...