How do I clean the HydroRinse hose tool and Tough Stain Tool after each use?
Fit the HydroRinse tool to the hose as soon as you finish and run clean water through it over a sink or toilet. It flushes the hose out before residue dries and starts to smell, a common problem with portable cleaners that lack this feature. For the 4 inch Tough Stain Tool, the lens comes off, so you can rinse out anything trapped around the tip. Make both part of every session, not an occasional deep clean, and let the parts dry before storage.
How big is the tank, and how often will I need to refill it?
BISSELL gives the capacity as 16 ounces, which is small by design: this is a spot and upholstery cleaner, not a whole-carpet machine. A single stain, a car seat or a sofa cushion is fine on one fill, but a full area rug can take several rounds of filling and emptying. Plan larger jobs around that rather than assuming one tank will cover them.
Will it work on an old stain or a mattress?
It can. It lifts set-in pet accidents from rugs and upholstery, and it can even rescue a mattress after a pet has been sick on it, removing both the stain and the smell. On a mattress, use as little liquid as you can, make extra suction passes and let it dry completely before putting the bedding back.
Can this be used on car interiors and pet beds, not just carpet?
Yes. BISSELL names carpet, upholstery, car interiors and pet beds as intended surfaces, and says the cleaning cycle also lifts dander, dust and pollen along with visible stains. That makes sense: the same suction that pulls dirty water out of the fibres carries loose particles with it. It is designed as a multi-surface portable cleaner rather than a carpet-only machine, which suits its compact 7 pound body.
Does it run on battery power, or does it need to stay plugged in?
It is corded, not battery powered. That means no charging and no gradual loss of suction as a battery drains mid-clean, but you do need to stay within reach of an outlet or use a suitable extension lead for the car. If cordless use matters most to you, look for a battery model instead, because this one has no cordless option.
What comes in the box, and what will I need to buy separately?
The box includes the machine, the 4 inch Tough Stain Tool with a removable lens, the HydroRinse self-cleaning hose tool and an 8oz bottle of BISSELL Little Green Formula. That is enough to start cleaning straight away, though the formula bottle is small and can run out quickly with regular use. When you reorder formula or tools, match them to model number 4075.