Noddy wrote:
But best effect is when you turn off any lights in the house and then watch with blue LEDs!
...and it can be sexy-time too while you do that too Nod...
You know--soft music in the background, lights off, tank LEDs on, glasses of wine, mars bars,
buttcheeks...
i put coloured lenses under those and placed them right above the airstones, and that works fine, and highlights the coloured bubbles at night.

Yeah I do that too..I have one right below my airstone behind a root. I like how it looks with the bubbles. .