Because I like decorating with ornamental algae, in particular, the reds like Gracilaria Hayi and Dragons Breath, I use acrylic brackets to display macro against back glass up high. I heat up acrylic strip and bend J bracket to hang on aquarium edge. I drill two 1/4” holes using small tie wrap (thin & flat) and like an upside down horseshoe, I wedge macro on top of clear acrylic ledge. When macro grows, it covers up tie wrap and bracket where all you see is a red bush coming out from the back glass.