No, usually when you see the indicator sink properly it could last for 1-2 weeks. The negative pressure will balance with the atmosphere over time. If you want to keep the pressure longer give it more turns!
The food inside did not go through a process to destroy the bacteria to eliminate the process. Even if there is no oxygen inside bacteria who don’t need oxygen could still grow. For this situation, you may store the food with container in the refrigerator together. The temperature could control the growth of bacteria.
Our products are designed to be hard wearing, and the seals on the savior can withstand at least 50,000 openings. That means if you open and close the lid 3 or 4 times a day, it can be used for 2.7 years without any problem.
The silicon release valve is also an indicator for the vacuum, after you have turned the knob a few times, you will see the silicon sink down as the vacuum is created and pulls it in, so you always know the product is working correctly.
Yes, marinating works best with cooler food, and if left our in a hot environment, mold can form on food even in a vacuum, so store safely in the refrigerator while it absorbs all those delicious marinade flavors.
After prolonged use, dust can gather on the seals and cause tiny air leaks that reduce vacuum strength. However, our products are designed for easy cleaning to remedy this, we have videos to show you how on the maintenance and cleaning page.