Mar 23, 2019 #2 Old Salt Well-Known Member 2 Member of the Month November 2019 Member of the Year 2019 I bought 6" aquarium airstones on sale when I wanted to grow using RDWC. I have just shy of a hundred of them I'll never use.
I bought 6" aquarium airstones on sale when I wanted to grow using RDWC. I have just shy of a hundred of them I'll never use.
Mar 23, 2019 Thread starter #3 J JUDGEmentDAY Active Member if you mean 6 inch round with suction cups, ill take a few off your hands. or link me . Old Salt
Mar 23, 2019 #4 Old Salt Well-Known Member 2 Member of the Month November 2019 Member of the Year 2019 No, these are the trapezoidal versions.