Hi all from Newcastle, England. I am new to tropical fish so hoping to get loads of advice. At present i have 2 x 30 gal/uk tanks. Tank 1 has 5 guppys, 2 platys, 6 neon tetras, 1 sucking loach and 2 honey red gouramis. Tank 2 has 4 ruby barbs & 4 corys (2 x sterbai & 2 x virginae)