itchy cories

I totally forgot to test. I vacuumed and did a water change on Saturday, but for some reason didn't think to test my water. The cories are less active lately, and so haven't been itching as much, just mostly loafing around in the back parts of the tank.

I WILL remember to test tonight... I'll write it on my hand.
 
Well, the loafing around isn't a good sign either (unless thats what corys do). No visable signs of disease?
 
nothing except for the itching. they still come out and eat when i feed them, but the rest of the time, they just sit around. Usually when I do a water change, they become fairly active, probably because I have stirred up a bunch of debris and stuff from vacuuming, but this time they were still relatively inactive.

Oh, I did notice that one of my panda cory's fins weren't looking too great. His dorsal was a bit torn when I bought him, but now his pectoral fins and caudal fin look a little ragged too. Will be keeping an eye on that.
 
I know that my Rift lake cichlids will scratch if I let the nitrate level get too high, but it looks like your water change regimine would take care of that...unless you are overfeeding.
 
lesley : i would suggest that you take out the panda cory and put it in a seperate tank to medicate if for its torn fin. because i had two panda corys that fins was slightly bitten when i bought them. i didn't think much and everyone told me that the tail would grow back. true enough, one of my panda corys fins grew back and he went back to normal. but the other never made it. i shd not have assumed it would grow back i guess. always felt bad that it died cause it was partly neglect on my part!

so perhaps healing it now is better!

hope that helps!
 
Regarding water temp

If you use incandescent lighting rather than flourescent, then keeping your lights off might help lower your temp a few degrees. I live in New Mexico and it gets pretty hot here. I started going without tank lights a few months ago. Not only does it keep my water at a more comfy temp for the fish, I see a LOT less algae.
 
Sensei-

I've thought about doing that, but I have fluorescent and I don't think it will make that much difference to keep the lights off. Plus, I have the tank planted with some hygro and crypts, so I don't think the minimal decrease in temp will be a benefit in the long run. Thanks for the suggestion, though.
 
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