sir'
di pman jud na musoft dayon ang water right after pg butang nimo ig unsa man na solution diha' u can use distilled water, tag 35 ra bitaw na ig nag problema jud ka sa water stain sa imong tank but pag expect na naa gihapon na water stain pero di parehas ka grabe ig mugamit kag tap water ra' and in addion into that driftwood can also help when it comes to water softening'
just a 2cents of mine' hehe'
