Also, they will use a special pump to remove the sludge and scum from the tank.

Source: https://www.hawaiiarmyweekly.com/blog/how-long-does-it-take-to-pump-a-septic-tank/

But what would scum China know about freedom?

Source: https://japantoday.com/category/world/u.s.-warship-sails-through-sensitive-taiwan-strait-china-angered

Clothes can become discoloured for various reasons such as using the wrong amount of detergent or fabric softener, limescale and soap scum.

Source: https://www.express.co.uk/life-style/property/1790306/how-to-brighten-white-laundry-exclusive

During the reign of the Galactic Empire, most Outer Rim planets became hives of scum and villainy.

Source: https://gamerant.com/star-wars-outer-rim-territories/

How many Ukrainian children did this scum murder?

Source: https://japantoday.com/category/world/putin-hails-russia%27s-military-performance-in-ukraine-and-he-vows-to-achieve-moscow%27s-goals

If you put too much energy into the big round thing--it hurts the scum that is over it--which you are part of.

Source: https://science.slashdot.org/story/23/12/30/0637240/is-it-possible-to-beam-solar-power-from-outer-space?utm_source=rss1.0mainlinkanon&utm_medium=feed

I sprayed this all over yellow scum, bad black dirt, boom, gone.

Source: https://www.buzzfeed.com/emmagkershaw/little-things-target-improve-your-home

Notices will be posted next to the loch warning that contact with the algal scum should be avoided."

Source: https://www.inverness-courier.co.uk/news/toxic-blue-green-algae-discovered-in-loch-east-of-invernes-322104/

Now we can just sit back and watch the patient hunting down of murderers and the destruction of a terrorist regime and its supporters, as Israel displays its unbeatable anility to crush this disease-ridden scum.

Source: https://japantoday.com/category/world/Israel-blockades-Gaza-Strip-as-Hamas-threatens-to-kill-captives

Protestors outside Tory conference chanting ‘scum, scum, scum’, ‘bastards’ and various charming forms of the F word.

Source: https://www.thepoke.com/2023/10/02/mail-columnist-quentin-letts-took-aim-at-sweary-protestors-outside-the-tory-conference-13-funniest-put-downs/

Really need a good rain to flush out the scum weeds.

Source: https://chicago.suntimes.com/2023/5/30/23741220/chicago-fishing-summer-time-chinook-bass-kings-drought

Since then, he added, it’s turned into a “monstrous shame show” run by “mentally ill scum.”

Source: https://www.heraldnet.com/opinion/comment-putins-capitulation-weakens-his-hold-on-power/

That scum regime put their signature on the Minsk Agreements and didn't abide by their word - they had it coming.

Source: https://japantoday.com/category/world/west-to-blame-for-world-turmoil-says-russia%27s-lavrov1

The issue came as the Republican rivals sparred over foreign policy, leading Nikki Haley to brand Vivek Ramaswamy 'scum'

Source: https://www.dailymail.co.uk/news/article-12728335/Ron-DeSantis-vows-STRIP-visas-students-supporting-Hamas-send-home-Nikki-Haley-says-anti-Semitism-just-bad-racism-Republicans-demand-crackdown-attacks-against-Jews.html?ns_mchannel=rss&ns_campaign=1490&ito=

"The scum that doesn't give us ammunition will eat their guts in hell."

Source: https://www.9news.com.au/world/russia-ukraine-updates-russias-wagner-boss-yevgeny-prigozhin-threatens-bakhmut-pullout/3051317b-ce5b-4dbd-9b91-1658443e3aee

“They obviously think that I am scum.”

Source: https://www.express.co.uk/news/uk/1761617/blind-man-subway-worker-refused-entry-guide-dog

We had a chance to get rid of this scum but didn’t.

Source: http://capoliticalreview.com/top-stories/is-reality-finally-catching-up-to-gov-gavin-newsom/

You're just scum."

Source: https://www.bbc.co.uk/news/world-us-canada-67364573?at_medium=RSS&at_campaign=KARANGA