Hey there growmie , I'll just get be you my best trick , somehow homegrowers don't know about this but : Bacilus Thuriengiensis , this.is a beneficial bacteria. You can find it in any garden store. Add it every ten days in the feed or as a.spray , it won't erradicate but it will control everything biological like water mold, white flies , spider mites , etc etc : imagine a dry and a cure without worrying about mold. It will change your life . Hope this helps.! 🚀