What would you like to do?
You should replace it as often as you can. But as a limit, do not keep a sponge for more than a month. I do not see myself using a couple of sponges a week, so what I personally do is change my sponge every 15th and every 30th of every month.
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If you're talking about a car battery - every five years or so. ---------------------------------------------------------------------------------------------------- … I have had vehicle batteries last for 3.8 years / dead cell / replaced under battery warranty 8 years / weak when the weather turned cold 6 and 1/2 years / dead cell ( original Motorcraft battery in my vehicle ) I'm still using my replacement Motorcraft battery ( since February 2002 , now over 12 years , works fine ) * but that's not to say I go somewhere and come out to find that I need a boost because the battery has a dead cell
Answer 1 How often you should replace a roof depends on the type of roof. According to Bobsroofing.com, estimates based on different type…s of roofs are: Shake/Wood Shingles: 20-25 years Composition Shingless: 12-20 years Rock Roofs: 12-15 years Metal Roofs: 50-75 years
that depends on how often you drive. best way to determine if brakes need changing, is to look at brake fluid resevoir. if level is low, your linings are worn and either need… replacing or renewing
Answer Depending on the type of driving (city,highway) Depending on mileage usually around 50K When they are showing excessive wear (less than 2…/32") of tread When sidewalls show wear
Most carpet will wear out after 5 to 15 years depending on the initial quality.
I personally don't change them I just wash them but some people like to change them once a year.
Depending on the wear, tear, your carpet cleaning methods, and it's warranty, carpet should last aproximately 5 to 7 years.
You should ask your dentist. You shouldn't need to replace your retainer at all unless it hurts, doesn't fit for some reason, or your orthodontist says to.
I've heard you should replace your pillow when you can bend it in half without it bending back.
Stent replacement is recommended approximately every six months; more often in patients who form stones.
Whenever they get REALLY yucky, or ripped apart.
In Asian Cars
The great majority of cars probably go to the auto salvage lots with their original thermostats intact, especially the very well engineered and built ones (and the Honda Civic… qualifies). In short, the thermostat is a good example of "if it ain't broke, don't fix it". If the engine begins to overheat - or never gets to normal operating temperature - and coolant levels are normal, a bad 'stat is the first thing to suspect, of course. But on today's vehicles, it's a rare occurrence.
There are a few different times when you should probably change your curtains. If you are updating your home, or a specific room, curtains are a relatively inexpensive way to …make a statement in a room. If you are not updating, but would like a change in general then curtains are a great place to start. I would also recommend curtains if they are showing signs of wear or have faded from the sun.
Changing your kitchen plumbing is not a safety issue. Your pumbing should be changed only if they need it.
Shocks are oil filled, so if you see oil on the shock body or drips on the ground, replace immieditly. Other than that, it's really hard to say since the way a shock dampens d…egrades slowly over time and is not noticed. Also, the type of vehicle and the way it's used will also contribute to the shocks life. If you are in doubt, take it to your favorite mechanic and ask his advice.