YOu probably need to release air pressure or backwash. The pressure builds up because the flow is inhibited. Is the return weaker than normal? It is usually sediment on top of the sand that is impeding the water flow and backwashing will push the water up through the sand and out to waste. this will clear the sand and allow water to flow better.
Good Luck
This does not indicate what type of filter you are using. The above answer assumed a sand filter, so I will address a DE filter.
Pressure will build up in a DE filter when the grids inside the filter itself need to be cleaned. This should be done on an annual basis, but sometimes needs to be done more frequently. For example, when I used flock (an additive that causes small particles to clump together and sink to the bottom where they can be more easily vacuumed), this caused my grids to be clogged. (Note that the lesson I learned here was to use liquid flock not powder).
Another way to reduce pressure is to add more DE. To do this, backwash your filter until the water is completely clear. Turn the pump valve back to filter mode and turn the pump back on. Pressure should be low at this time. Begin adding DE through the skimmer. I usually use 2-3 scoops (my scoop is about size of a small coffee can). Pressure may still rise a bit from when you first turned the pump back on, but it should stay lower than before you added the DE.
Something with a low pressure, for example: classic snowshoes, a swimming flipper and an air pump... :) G.
Low suction from your pump, damaged hose,
Common causes of low pressure in a pool filtration system can include clogged skimmer or pump baskets, dirty or clogged filters, air leaks in the suction lines, or a malfunctioning pump or impeller. Regular maintenance and cleaning of these components can help resolve low pressure issues.
Usually the pressure gauge on your pool equipment indicates how much pressure there is before the filter. as the pressure goes up it indicates that the filter is getting blocked and needs a backwash or cleaning. while the pressure is low the filter does not need cleaning.
A low pressure object refers to an object that has lower pressure compared to its surroundings. This can occur in weather systems, where areas of low pressure are associated with stormy weather conditions. In physics, low pressure objects can be created in vacuum chambers by removing air or other gases from the surroundings.
Potash
Swimming in a pool with low chlorine levels can increase the risk of bacteria and algae growth, which can lead to potential health issues. It is recommended to maintain proper chlorine levels in the pool to ensure a safe and clean swimming environment.
Float valve is a device used on swimming pools. It is designed to keep the skimmer closed and to control the air flow into the pump when the water level gets low.
The water becomes aggressive and can etch the plaster and metal parts of the pool and equipment.
A cork has a low density. It is lower then water. That causes it to float.
There is a low pressure fuel pump in each fuel tank. The low pressure pump feeds the inline high pressure pump. Newer models , I believe 1990 and up, changed to the high pressure in tank fuel pump and eliminated the in line pump.
low oil will not but low oil pressure will. the fuel pump runs in conjunction with the oil pressure sending unit. if pressure is below a set psi the fuel pump will not turn on.