Recent content by 2623dave.w

hi all new to this so lets try ! i have got a juwel vison 450 tank with new style lights so that is 108 watts also reflectors fitted . plain gravel is used. no co2 just liquid fertilizer . lights on approx 8 -9 hrs a day. water is nitrate 0 nitrite 0 amonia 0 gh 14od ph 7.5 and kh approx 5 od...