Recent content by Ewan

Many thanks for you advice folks. I did a daily water change for a few days, which soon brought the Ammonia and Nitrites down from alarmingly high levels down to zero pretty quickly. It's scary how the cycle can go haywire like that even in a 6 year old tank. I'll keep a closer eye on the...

In the last 10 days or so I have developed an extremely bad algae problem : I have to scrape the front of the glass every day. This may or may not be related to a sudden crop of deaths in my tank. Yesterday I had three fatalities and the previous day had four (tetras, guppies, mollies). The...