What is the difference between a boil out and filtering fryer?

Author: Colin Grady  |  Last update: Wednesday, August 27, 2025

A boil-out cleans the fryer by removing grease and coatings, while filtering purifies the cooking oil or shortening used. Both processes are essential for equipment maintenance in cooking. Understanding their differences ensures effective kitchen management.

What is the difference between a boil out and filtering?

The difference between a boil-out and filtering lies in their purposes: a boil-out cleans the fryer itself while filtering removes particles from the shortening. Both processes are essential for maintaining the equipment and food quality.

What is a boil out for a fryer?

It requires letting your fryer cool down, removing the basket and oil, wiping the basin down, filling it with water and soap, then turning it on to boil and clean. After 10 to 15 minutes, you'll turn it off and let it cool, then dump the soapy water and rinse out the basin. Wash and clean the basket separately.

Is filtering fryer oil worth it?

There's no question that frequent filtration extends the life of your deep fryer oil, improves the quality of your food, and saves you money.

What is the difference between boiling and filtering?

Boiling water will not remove impurities like heavy metals (such as lead and magnesium), chlorine, calcium, microplastics, dirt particles, pesticides, and so on. The only way you can remove these contaminants is to filter the water.

BLF-F Fryer Filtering & Boil-Out Procedure

Do you filter or boil first?

Don't rely on a water filter alone. After using a filter, boil your water or use chemicals to make sure it's safe to drink.

What are the two types of filtering?

Types of Filtration:
  • Vacuum Filtration: In order to swiftly pull fluid through a filter, vacuum filtration uses a vacuum pump.
  • Centrifugal Filtration: The material to be filtered is spun at a high speed during this filtration process.

How often do you need to filter fryer oil?

When cooking French fries or other non-breaded foods like vegetables, change or filter the oil after six to eight uses. If you're frying non-breaded meat or poultry, change or filter the oil after three to four uses. When frying breaded fish, change or filter the oil every two to three uses.

What is the disadvantage of oil filter?

Disadvantages of Oil Filters

Inefficient or low-quality oil filters may not effectively remove all contaminants, allowing harmful particles to circulate in the engine. Some oil filters may have limited capacity, requiring more frequent replacements.

How does McDonald's clean their oil?

Good question. To ensure that our oil is free from crumbs and food debris, and to retain its quality, our cooking vats are periodically filtered using specially designed filtration equipment. The Apple pie vat is filtered first, followed by chicken, and then Filet-o-Fish®.

How often should you boil out a fryer?

This means that you will remove the old oil, add water and special commercial deep fryer cleaning solution, and boil it inside the fryer to remove grime and stuck-on food. Deep fryer boil-outs should be done approximately once per month. High-use fryers may need to be boiled out more frequently, perhaps once per week.

Can you use degreaser to boil out fryer?

A deep fryer boil out involves thoroughly cleaning and boiling out the deep fryer to clean the inside, baskets and utensils. This means removing old oil, adding water and a commercial degreasing solution, and boiling it inside the fryer to remove stuck-on grease and grime.

What does "boil out" mean?

Boiling out a deep fryer is the process of removing old oil, adding water and cleaning solution, and then boiling the water to thoroughly clean the interior of the fryer and remove any hard, stuck-on grime.

What is the best way to clean a deep fryer?

Fill the deep fryer with water to the maximum oil line, and mix in a few drops of dish soap. Turn the deep fryer on, and allow the water to come to a boil. Heat is the secret to the best way to clean a deep fryer! Let the water boil for several minutes, unplug the unit, and allow the water to cool.

Can you press a boil out?

Put warm, moist, compresses on the boil several times a day to speed draining and healing. Never squeeze a boil or try to cut it open at home. This can spread the infection. Continue to put warm, wet, compresses on the area after the boil opens.

When topping off oil should be rotated from one fryer to another fryer?

The statement about rotating oil between fryers is false. It's important to keep oils dedicated to specific fryers to prevent contamination and preserve food quality. Proper oil management is essential for maintaining the integrity of fried products.

Can I change my oil filter without changing my oil?

One common question among car owners is whether they can change their oil filters without changing the oil. The good news is that you can absolutely change your oil filter without emptying the oil from your engine. This is because the location of the oil in your engine remains untouched during a filter change.

What happens if you dont filter oil?

Without a clean and effective oil filter, the engine oil can become contaminated with particles such as dirt, metal shavings, and sludge. These contaminants can compromise the oil's ability to lubricate engine components properly.

What are the disadvantages of filters?

Disadvantages:
  • Can be costly, especially for commercial air filtration.
  • Hidden maintenance costs.
  • Filters need to be regularly changed – old filters can actually worsen air quality.
  • May not be effective in removing all particulates from the air or gas stream, especially when filtering smaller pollutants.

What is the best fryer oil?

Oils with higher smoke points are ideal for deep frying because they can withstand higher temperatures without burning. Some common oils with high smoke points include peanut oil, canola oil, and safflower oil. These oils are suitable for high-heat cooking and provide a crispy texture to fried foods.

What is a fry daddy?

Customers say the FryDaddy deep fryer is a simple and efficient kitchen appliance that heats oil quickly and cooks food evenly, making it ideal for small batches.

What is the new method of filtration?

Nanofiltration involves the use of a porous membrane to filter out tiny nanoparticles that can pass through other filters. By using carbon nanotubes and other advanced filtration technologies, nanofiltration is more effective than ultrafiltration and reverse osmosis at removing heavy metals and pathogens.

How do I turn filtering off?

In the Google app

On your Android phone or tablet, open the Google app . SafeSearch. Select Filter, Blur, or Off.

What are the 3 types of filtration?

Different Types of Filtration Methods
  • Gravity Filtration.
  • Centrifugal filtration.
  • Hot filtration.
  • Cold filtration.
  • Granular media filtration.
  • Mechanical filtration.
  • Multilayer filtration.

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