i used to use Kent marine carbon
recently got some ROX carbon from caco3reef
water in tank is clearer than with Kent marine carbon
id reccomend it I will be ordering more
as for changing i usually do it monthly
__________________
250G DD LED SPS R.I.P.
180G LED SPS
80"x36". 300G custom build
Owner of Mountain Ridge Heating and Gas
Class A gas fitter, HVAC
|