Duration 0.50 to 0.59 best shot
Quite possibly no emergency here, but I figure this is where we post our concerns? In this video, the cory in question is the one that is mostly on the left to his buddy. The most clear part of the video comes between 0.50 and 0.59 when he does the right thing and sits still, right in front my camera. This spot on the tail is kind of more cream than white. Last night I spotted this Corydoras and one other rubbing on the wood and one of them was making a few sudden movements (that was not due to being startled by me or anything in the tank).
As you can see for yourself, it's not easy to get a handle on identifying white spot or similar when the the cory's are continuously playing in the sand. They are covered in grains of sand at times. I thought I noticed a couple of more "white" and smaller spots like Ich on another Cory last night, but I am not so sure now. But the flicking on the wood has been visible at times last 24 hours (before 70% water change).
Parameters
Temp 78 (usually 75 but it's warm outside today)
Ammonia 0
Nitrite 0
Nitrate 10
pH 7.2
KH 4
GH 6
Water is 20% tap and 80% RO
The only inhabitants at the moment are a group of Cory and x2 small Golden BN.
I have been adding live plants a couple of times over the past week, just rinsed in tap water and put in a bucket of water overnight, before adding to tank.
Last water change was 70% a few hours ago
Water change before that was 50% about 7 days ago
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If I can get a forum-worthy video I'll look into it!
