Hi guys, I was wondering if I possibly crashed my tanks cycle? I’ve had a cycling tank for months now, changing 25% water weekly. I never had any problem until a few days ago when I did a 50% water change. I did this because the tank was looking extra dirty for some reason and also I siphoned too much water out trying to vacuum the sand. I noticed since that water change, my axolotl has been hiding more, barely eating, and only moving from time to time. I checked the water perimeters and they are .25 ammonia, 0 nitrite and 10 nitrate. I normally have 0 ammonia, I haven’t had above 0 since I was first cycling the tank. Did I make an error or is this just a fluke? What should I do?