hi me again. thank you to everyone for your last replies.
I now have a 4ft tank which is 170 litres but the filter that came with it is the under gravel type. please could anyone help with how big a filter i need and what type as desperatley need this tank up and running.
hi all please help. Firstly my partner and i have recently become interested in fish. my sister gave me a tank but about 5 weeks ago we had to change to a bigger tank because our guppy had babies. For the last week or so the water keeps going cloudy but our fish seem ok can anyone please tell us...