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Use a garbage disposal sparingly; always put fats, oils, and grease into the garbage
What about food waste, sinks and garbage disposals? Garbage disposals connect to the sewer system and food waste will be treated and recycled through the wastewater treatment plants as biosolids soil amendment. However, small particles of food can stick to sewer pipes and cause clogs and maintenance problems.
What about fats and grease? Fats, oils, and grease are things that should never go down the drain. These things may be liquid to begin with (think bacon) but it will harden on the sides of pipes which will eventually cause blockages and can lead to expensive plumbing repairs.
Helpful hints:
1) Use an empty tin can or glass jar to store fats and grease- leave can on the counter or store in the freezer.