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At our home we leave the oil in the fryer for about a two month time frame. We never take the oil out of the fryer until time to change it and clean the fryer out. We've never had a problem with the oil and never had any problems with leaving the oil in the fryer for that time frame. We use the fryer practically every day for either French fries, hash browns, chicken nuggets, etc.

I do change the oil sooner (in about a month) if frying fish sticks often as I figure it'll change the taste of the other products.

One of the very popular fast food restaurants showed me their "color chart" they use for determining their deep fryer oil changes. There is no time limit, only color limit as to when to change the oil. I'm sure they must filter the oil daily as they do quite a bit of frying.

At our home we leave the oil in the fryer for about a two month time frame. We never take the oil out of the fryer until time to change it and clean the fryer out. We've never had a problem with the oil and never had any problems with leaving the oil in the fryer for that time frame. We use the fryer practically every day for either French fries, hash browns, chicken nuggets, etc.

I do change the oil sooner (in about a month) if frying fish sticks often as I figure it'll change the taste of the other products.

At our home we leave the oil in the fryer for about a two month time frame. We never take the oil out of the fryer until time to change it and clean the fryer out. We've never had a problem with the oil and never had any problems with leaving the oil in the fryer for that time frame. We use the fryer practically every day for either French fries, hash browns, chicken nuggets, etc.

I do change the oil sooner (in about a month) if frying fish sticks often as I figure it'll change the taste of the other products.

One of the very popular fast food restaurants showed me their "color chart" they use for determining their deep fryer oil changes. There is no time limit, only color limit as to when to change the oil. I'm sure they must filter the oil daily as they do quite a bit of frying.

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At our home we leave the oil in the fryer for about a two month time frame. We never take the oil out of the fryer until time to change it and clean the fryer out. We've never had a problem with the oil and never had any problems with leaving the oil in the fryer for that time frame. We use the fryer practically every day for either French fries, hash browns, chicken nuggets, etc.

I do change the oil sooner (in about a month) if frying fish sticks often as I figure it'll change the taste of the other products.