auto topoff question

fatboyjoe

Member
I have a 90gal tank with a 30 sump. I have my 1/4'' ro water line run up through the floor to my sump. I top off manually with a valve at the end of the line. my question is, If I drill a hole in my sump and attach a float to auto topoff my water, would this be safe ? or am I looking for a flood?
 
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