My thermometer just broke!!!!
The steel bits that weighed it down are strewn all over my gravel and I dont have a chemical free magnet to get them out. I cant do a WC because its sw and its costly. Will the steel rust overnight and ruin the whole tank of water or can I leave it till tmrw?
The steel bits that weighed it down are strewn all over my gravel and I dont have a chemical free magnet to get them out. I cant do a WC because its sw and its costly. Will the steel rust overnight and ruin the whole tank of water or can I leave it till tmrw?

