Look up from your pillow. The net has been there since the mosquitoes got bad. Maybe since last summer. You wash the sheet under it every week or two. The net, never.
It looks clean because it is white and you can see through it. That is the trick. A net hides dirt better than any cloth in your house.
What is actually on it
Think about where it sits. A few inches above your face, all night, every night.
Patna air is not clean air. The dust off Ashok Rajpath and the bypass drifts in through the window and settles on the mesh. Your ceiling fan pushes it around all night and the net catches what it throws. Add the fine stuff that comes off you while you sleep. Skin. Hair oil. The sweat that never fully dries in a Patna June. It builds into a thin greasy film, and the film grabs more dust. That is why an old net feels a little sticky when you pinch it.
Want to check? Hold a corner up to the window light and rub the mesh between two fingers. You will see grey. That grey has been over your mouth for a year.
Then there are the mosquitoes. The net does its job. It stops them. Some die against it and stay there. You are sleeping under the thing you put up to protect you, and it is coated in the very stuff you were hiding from.
Why July makes it worse
Right now the air is wet. Monsoon damp sinks into every cloth in the house and the net is no different. Damp mesh plus dust plus body oil is how you get that faint sour smell near the pillow. You blame the pillow. It is often the net.
Airflow matters too. A clean net breathes. A clogged one does not. When the holes fill with grime they shrink, and the air slows down. So you lie there feeling stuffy under your own net and turn the fan up one more notch.
And July starts dengue season in Patna. The net is your first line. A net you count on should be a net you can keep clean.
The real reason it never gets washed
It is not laziness. It is a genuine pain.
The net is big. Untying it from four corners takes ten minutes and both arms. Washing something that size in a bucket does not clean it, it just drags it around in grey water. Then you have to dry a giant sheet of mesh, indoors, in the rain, with no space to hang it. So it goes back up half dirty and you tell yourself next month.
Next month does not come. It has been a year.
How to wash it without wrecking it
The net is nylon or fine polyester. It is delicate. Treat it that way.
Cold water. A little mild detergent. Let it soak twenty minutes so the grime lets go on its own instead of you fighting it. Do not scrub and do not take a brush to it. The mesh tears at the seams first, and once it tears it is finished.
Never wring it. Wringing pulls the holes out of shape and the net never hangs straight again. Press the water out gently and hang it folded in half over a line so the weight is shared across the fabric. Dry it in shade with air moving, not in hard sun that turns the nylon brittle.
If you must use a machine, delicate cycle only, tucked inside a pillow cover or a laundry bag, no spin. Better to skip the machine.
Once a month while the mosquitoes are around. That is enough.
The honest option
You are not going to do this every month. Be honest with yourself. The net stays up dirty because the washing and the drying are the hard part, not the deciding.
That is why DoorWash is here. We take the net down, wash it cold and gentle so the mesh survives, dry it properly with room and air, and bring it back to hang over your bed clean. You sleep under something you would actually want near your face.
Wash the sheet. Wash the net too. You spend a third of your life under it.