You can store bacon and sausage grease together for 2 to 3 months in a refrigerator for the best quality. This is the recommended period to store bacon and sausage grease for the best quality of use.
You are advised to use the mixture of bacon and sausage grease stored in a refrigerator for up to 90 days.
The bacon and sausage grease mixed together should be sealed in a container and placed in a fridge.
This could help to keep the mixture of bacon and sausage grease together without getting rancid or spoiled.
The refrigerated mixture of bacon and sausage grease will remain fresh until up to the mentioned period which is healthy for frying food.
For the average or medium quality of the mixture of bacon and sausage if kept up to 6 months when refrigerated before it is used. That is to say, if the bacon and sausage grease stored together in a refrigerator for 6 months, the mixture of bacon and sausage grease refrigerated will be of average or medium quality.
Unrefrigerated mixture of bacon and sausage if stored in jar when covered can last up to 5 days without getting rancid. You should make sure to use the unrefrigerated bacon and sausage grease stored in a covered jar within 5 days for the best quality.
In conclusion: Make sure to reheat the refrigerated and unrefrigerated bacon and sausage grease before use.