Ha, and you thought it was going to be about cars! Only been running now for 3 days with dennerle method. Tank is 720 litres, 2.00 x .6 x .6 Akva-stabil effect line. Setup includes Co2 system with PH controller, and duomat tempature comtroller for the the heaters and substrat heaters. Filtering by 2 x eheim 2028 with UV sterilzer. No fish yet.