Hybridfish7 Bronze Tier VIP MFK Member Dec 4, 2017 2,901 2,842 739 Apr 13, 2019 #1 I'm assuming yes, since some substrates have flouride in them anyway?
Lepisosteus Goliath Tigerfish MFK Member May 20, 2014 3,738 3,447 179 Ontario, Canada Apr 13, 2019 #2 They will be fine
