I'm new here but i'm in this hobby for over a year.
My tank is 55 cm long, 20 cm width and 33 cm height (21.6"X7.8"X13"),
I use co2 and I fertilize on a regular basis.
I'm thinking of DIYing a LED ligh myself using 3 heatsinks, fans and LEDs.
There will be 2 outer heatsinks and 1 in...