Mildew on rocks PIC attached

im140.6

New member
Would SH soak, scrub and rinse be enough to clean the rock border? Thanks

 
SH from a dedicated pump or pump up sprayer. It will allow you to keep the SH % higher than down streaming.

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Thanks everyone. I don't have a dedicated chem system (yet) so I'll use a pump up sprayer with SH. That should do the trick. I'll try to remember to post after pics here.
 
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