wussap everyone...i have a 125 gal tank and currrently using oceanic natural sea salt.its been running for almost a year now..i want to start using instant ocean synthetic salt because of trace elements has and most of the fellas here in trt use it and have a great success...do i need to do a 100 % water change and switch to IO or can i just do a 25%
wc every week with IO...my tank is fowlr...but thingking of making it to a reef..i have a shrooms,leather and zoos ryte now....i guess its not really a fowlr....

.....what would you guys suggest..tanx