Cheap Store brands can break down but sometimes it’s just because they’re very thin, 1 or 2 ply papers. … Kirkland Brand toilet paper (above) remained completely intact after sitting in water for 20 minutes but it dissolved fairly well after whirring it around with a spoon.
Consequently, is Costco toilet paper bad for plumbing?
Well, truth be told – there are no indications that one brand is more problematic over any other brand. Toilet paper, regardless of ply, tends to cause problems more frequently when used in either large amounts, which is a common-sense no-no, or when used on older plumbing.
Just so, is Kirkland brand toilet paper bad for septic systems? Kirkland toilet paper is septic safe. It all comes down to how you care for your system, how you use your toilet paper, and whether luck is on your side or not.