![Does this look like coffee grounds and grease? my roommate swears he doesn't put it down the garbage disposal but the washing machine and kitchen sink are on the same drain line Does this look like coffee grounds and grease? my roommate swears he doesn't put it down the garbage disposal but the washing machine and kitchen sink are on the same drain line](https://preview.redd.it/j44simerfsw81.jpg?width=640&crop=smart&auto=webp&s=fa1b7e5dbe74b0205cb0f9b5ead1ebde42ddaf9b)
Does this look like coffee grounds and grease? my roommate swears he doesn't put it down the garbage disposal but the washing machine and kitchen sink are on the same drain line
![Pouring coffee grinds in the sink is a big no-no. This causes blockages & clogged drains. Visit us at https://www… | Clogged drain, Plumbing problems, Coffee grinds Pouring coffee grinds in the sink is a big no-no. This causes blockages & clogged drains. Visit us at https://www… | Clogged drain, Plumbing problems, Coffee grinds](https://i.pinimg.com/originals/9b/6b/7d/9b6b7da0904071c2ecbdd4cc9cc3c8a0.jpg)
Pouring coffee grinds in the sink is a big no-no. This causes blockages & clogged drains. Visit us at https://www… | Clogged drain, Plumbing problems, Coffee grinds
![Here is a special way to unclog a kitchen sink with coffee grounds. | Uses for coffee grounds, Coffee grounds, Luxury coffee table Here is a special way to unclog a kitchen sink with coffee grounds. | Uses for coffee grounds, Coffee grounds, Luxury coffee table](https://i.pinimg.com/736x/f5/47/45/f547452caf77a2011fb801b45a19e238.jpg)