To keep leftover string trimmer line flexible, protect it from heat and direct sunlight, avoid kinks, and follow the manufacturer’s storage instructions. Some nylon line makers recommend soaking their line in water to help restore flexibility; others may give different directions, so check the package before soaking or storing line in water.
Line & Head · Tue Sep 22
How to store leftover line so it stays flexible
Store trimmer line away from heat and sunlight, and follow the line maker’s guidance on moisture. Some nylon lines can be soaked to regain flexibility, but not every line should be.
Keep leftover line protected
If the line is still on its spool, keep it there and put the spool in its original packaging or a sealed bag. Store it somewhere cool and shaded, away from heaters, hot sheds, direct sun, and solvents or other chemicals.
For loose line, coil it neatly without tight bends or knots and secure it loosely so it does not kink. Keep it in a labeled bag or container. Mark the line’s diameter and type if those details are no longer visible on the packaging.
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Should you soak trimmer line in water?
Check the manufacturer’s instructions first. Some manufacturers recommend soaking certain nylon lines in water before use because nylon can lose moisture and become brittle. If the instructions allow it, place the line in clean water for the period specified by the manufacturer, then load it as directed.
Do not assume that every type of trimmer line can be soaked. Lines made with different materials or special coatings may have different care instructions. Avoid adding oil, fuel, or other chemicals to the water or storage container.
Check line before loading it
Before putting old line in the trimmer, inspect it for cracks, rough or chalky areas, flat spots, and sharp kinks. Bend a short section gently. If it snaps easily or stays sharply kinked, replace it rather than relying on it to feed and cut properly.
If the line looks sound but feels dry, use only the maker-approved method to condition it. If it remains brittle afterward, discard it. Also confirm that the replacement line’s diameter and type are approved for your trimmer head; line that is too thick can feed poorly or overload the head.
FAQ
Can I store string trimmer line in water?
Only if the line manufacturer says that storage method is suitable. Some nylon line makers recommend soaking line to help maintain or restore flexibility, but instructions vary by material and product.
How can I tell if old trimmer line has gone bad?
Look for cracks, brittle or chalky areas, kinks, and flat spots. If a short piece snaps easily when gently bent, replace the line.
Does trimmer line need to stay on its spool?
Keeping leftover line on its spool helps prevent tangles and sharp bends. If it is loose, coil it gently and store it in a labeled bag or container.