Are these cotton balls safe to use in an RDA?
https://www.walmart.com/ip/White-Cloud-Jumbo-Size-Cotton-Balls-200-ct/24706118
https://www.walmart.com/ip/White-Cloud-Jumbo-Size-Cotton-Balls-200-ct/24706118
Are these cotton balls safe to use in an RDA?
https://www.walmart.com/ip/White-Cloud-Jumbo-Size-Cotton-Balls-200-ct/24706118
Good, plain cotton balls are perfectly fine. Try some other wicking material like cotton bacon or organic cotton pads for a taste comparison.