div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=12204-1-marc-drain-line-root-control-20161227-7-12204-then-resume-semi-annual-preventativehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 12204-1 MARC Drain Line Root Control 20161227 7 12204 Then resume semi-annual preventative treatments Do not make more than two applications per calendar year Do not use more than loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220430045f8655419c4f1e1c5712e8e3html5thumbnails1jpg width=140 height=200 divp12204-1_MARC Drain Line Root Control_20161227_7_12204_pdfpdiv