Disrupting fluid flow in a fluid reservoir

An oral care system, comprising:

• a fluid reservoir comprising a plurality of fluid flow disrupters;
• a check intake valve coupled to the fluid reservoir, wherein a corresponding entire body of the plurality of fluid flow disrupters is located outside a perimeter of the check intake valve;
• and
• a pump to configured to cause fluid to be provided from the fluid reservoir to an oral insert of the oral care system via the check intake valve,
• wherein the plurality of fluid flow disrupters are integrally formed with a bottom surface of the fluid reservoir and are each free standing with a free upper end, the free upper end of a first fluid flow disrupter of the plurality of fluid flow disrupters having an inclined surface.