Welcome to the regular forums, Did you win anything? Please feel free to members ask for help and also post your question in the forums. Watch, this gets results. #reefsquad will bring in the crew if you need the help of a dedicated group that will help you through your needs.
Is there a sand bed in it? If enough sand got disturbed then your levels of ammonia, nitrite, or nitrate could have changed. No sand? Still should be rock, so if you poured over the rock same thing. Detritus was disturbed and changed levels.