Lesson learned-The Danger of Overfeeding
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I just feel I have to vent. I can't beleive what I came home to after a 5-day vacation away from the tanks. We had a friend take care of our dog and stay at the house. Stupidly, last minute before leaving, I asked if he could give the fish some food once a day. I have 10 tanks and specified how much to feed.
When I came home, my 5g that HAD 24 orange laser cory fry was completely cloudy to the point I could hardly see in it. The water smelled badly of ammonia. All of the cory fry were dead and fungused fish bodies were visible amongst the carpet of uneaten fungused pellet food covering the bottom and stuck in the plants. At least, somehow, my neocaridina shrimp were still alive. The tank is now cycling all over again after a major cleanup.
My bare-bottom 40g was a bit cloudy, but the young angelfish in there seemed to be ok. I'm doing a water change on that tank asap and added Prime for now.
In my 90g with sub-adult angelfish had a bad protein film and rotting food pellets everywhere. The angelfish looked like they were gasping or breathing heavily and we're not excited to see me or in a hurry for food like they usually are. So I skim siphoned the protein film, removed the uneaten rotten food I could find for now and topped off the aquarium with fresh water. I'll do a huge wc asap too, but the fish seemed much better after removing that oily film. I also raised the spraybar to create surface agitation and added Prime to temporarily neutralize the ammonia if there is any still. I definitely know there were available nitrates (where normally it reads 0ppm) since there was a boom of plant growth, in all my tanks, but especially the 90g.
My 10g with just shrimp was cloudy too, but no deaths that I could see and I did a water change and removed the rotting food on the bottom.
The rest of the tanks suffered some big algae blooms, but the fish were ok. The only tank that looked ok was my 120g, though I know I have a ton of work to do the next few days and it will take weeks to get it all back to normal.
It just sucks dealing with that many unhealthy tanks and I just have to hope none of my other fish become sick. I didn't feed for one day and a half, and when I do, i will feed them something different. Some angelfish look abnormally bloated in the abdominal area, so it might be green peas for a few days for everyone.
If anyone has any advice on what to do now, I'd love to hear it, and from now on, it's better to just not feed the fish while on vacation!
PS- The guy who was house-sitting meant good. He would have thought he was doing a good thing, so I can't blame anytime but myself :(
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DebinWhitmore
RIP Deb, we miss you. 
