hi, im aiden im from dublin, ireland, ive been keeping fish for 3 years now, ive kept mostly marine, but ive given them up, at the moment, i have one tank, it houses 6 rope fish, 1 polypterus senegalus, 1 ornate bichir, 5 plecos, 1 rainbow cichlid, 1 angel, 2 black widow tetras, 4 koi, 5 goldfish (they were my friends but his tank burst so i took them, but they are being moved to a pond soon,) the tank itself is 300 litres, it has two t8 tubes, a tetratec heater, a tetratec 700 external filter and a fluval internal filter, anyway hope to get some advice so ill see yall around, cheers aiden