How to Clean a Fridge Properly: A Delhi Step-by-Step Guide

The order to do it in, and whether you have to switch it off

Work top to bottom, inside before outside, and back to front at the end. Doing it in that order means you are never cleaning the same surface twice, and the messy jobs come last.

Do you have to switch it off? For a routine wipe-down, no. Work compartment by compartment with the door open as little as possible, and the food is fine. For a full clean where the fridge stands empty and open for half an hour, switch it off at the socket — it saves the compressor running flat out against an open door, and it lets the cabinet come up to a temperature where your hands and the plastic are both happier. For anything at the back, near the drip tray or the coils, switching off at the socket and pulling the plug is not optional.

The sequence:

• 1. Pick your moment. Just before the weekly shop, when the fridge is at its emptiest. A cooler morning is easier than a 45°C afternoon, because everything you take out stays cold longer.
• 2. Empty it into an insulated bag. An insulated shopping bag, a cool box, or a plastic crate with a folded blanket over it. Frozen items go in first with an ice pack or a bottle of frozen water on top, and the bag stays shut. This is the step that lets you take your time. Without it you will rush and skip the parts that matter.
• 3. Throw things away as you go. Open containers rather than glancing at them. Anything you are unsure about goes out. Do not taste doubtful food to decide, especially after a power cut.
• 4. Take out every shelf, drawer and rack that comes out. Wash them separately at the sink in warm water with a mild detergent. Let glass shelves reach room temperature before they meet warm water, because cold glass can crack. Dry them fully before they go back.
• 5. Wipe the cabinet from the top down. Ceiling, walls, shelf runners, the channel under where the drawers sit, then the floor of the compartment.
• 6. Do the gasket folds, the drain hole and the drip tray. The three that get skipped. They have their own section below.
• 7. Do the outside and the handles, then the top of the cabinet, which collects kitchen grease and dust.
• 8. Dry everything before you switch it on and restock. Damp left behind is what starts a smell in a Delhi monsoon.

What to use, and what you must never use

Warm water, a little mild dishwashing detergent, and a soft cloth will do ninety per cent of this job. A fridge interior is a food surface and a plastic one, and almost every stronger product on your shelf will either taint the food or damage the plastic.

What works:

• Warm water with a little mild detergent for shelves, drawers, walls and the outside.
• A weak solution of baking soda in warm water for the cabinet walls if there is any odour. It cleans gently and it deodorises, and it leaves nothing behind that will taint milk or curd.
• An old toothbrush or a cotton bud for the gasket folds, the shelf runners and around the drain hole.
• A dry microfibre cloth for the final pass, because drying matters as much as washing.
• A soft brush and a vacuum for the coils at the back.

What never to use inside a fridge:

• No bleach. It is a food cabinet with a rubber seal and painted or plastic surfaces. Bleach damages the seal, can discolour the interior, and leaves a smell that transfers straight into milk, curd and butter. And never mix it with anything else.
• No abrasive powder, scouring pad or steel wool. They scratch the plastic, and scratched plastic holds dirt and smell permanently. What you save today you pay for every clean after.
• No strong solvent — kerosene, thinner, spirit, acid-based bathroom cleaner or a strong disinfectant. They attack plastic and rubber, they harden the gasket, and their vapour lingers in a sealed box.
• No perfumed spray or air freshener inside. It puts a smell on top of a smell and transfers into dairy. Removing the source is the only thing that works, as set out in why your fridge smells bad.
• Never spray liquid directly into the cabinet, especially near the light, the vents, the sensor cover or the control panel. Wet the cloth, not the fridge.
• Never poke a knife, screwdriver or wire into a vent, a drain or the frost on a wall. There are cooling pipes very close behind those surfaces, and piercing one turns a cleaning job into a major repair.

The three places nobody cleans: the drain hole, the drip tray and the gasket

These three are behind almost every complaint of a fridge that smells after cleaning, or that keeps finding water under the vegetable drawer. A normal clean never touches any of them.

The defrost drain hole. Look at the bottom of the back wall inside the fridge compartment. There is a shallow gutter with a small hole in it, sometimes with a little plastic peg sitting in it. Every defrost cycle sends meltwater down that hole and out to the tray at the back. Food bits, dust and a slime of mould block it, and then the meltwater has nowhere to go, so it pools in the gutter and eventually runs forward under the drawers.

• Clear any visible debris from the gutter first.
• Pour a little warm water into the hole and watch. It should drain away steadily. If it sits there, it is blocked.
• Ease the blockage with a soft, blunt, flexible probe — the bulb end of a turkey baster to blow warm water through, or a length of soft plastic tubing. Never use wire, a skewer or anything metal and pointed, because the drain tube is soft and there are pipes behind it.
• Finish by running warm water through until it flows freely, and do this every time you clean the fridge. It takes twenty seconds and it prevents the whole problem. If water keeps returning, water collecting inside your fridge covers what else it can be.

The drip tray. The water from that drain runs into a shallow open tray sitting on or near the compressor at the back, where engine warmth evaporates it away. That tray is permanently warm, wet, dark and dusty, which over a couple of years grows a black slime with a strong smell — and the fridge moves air past it. Switch off at the socket, pull the plug, pull the fridge out, and look. If the tray slides out, wash it in warm soapy water, dry it and refit it. If it is fixed behind a rear panel, leave it to a technician rather than removing panels with wiring behind them.

The gasket folds. The door seal is not smooth: it has folds and a hollow channel, and spilled milk and dal run straight into them. In a humid month those folds never dry on their own. Wipe them with a cloth wrung out in warm soapy water, work an old toothbrush into every fold and along the underside, clean the metal frame the seal presses against, then dry both. Doing this monthly prevents smells, keeps the seal gripping, and stops the rubber going tacky — which is a common reason a fridge door becomes hard to open. If the note test still fails after cleaning, read why your fridge door is not sealing.

The coils at the back, and defrosting a freezer without a knife

The condenser coils are the only part of this whole job that changes how the fridge performs. They are the black grille or the tubing on the back of the cabinet, and their job is to dump the heat the fridge has pulled out of your food into the room. Coat them in Delhi dust and they cannot do that, so the compressor runs longer, the kitchen gets warmer, the fridge struggles on the hottest afternoons, and the electricity bill quietly rises.

• Switch off at the socket and pull the plug. Not negotiable.
• Pull the fridge out gently, ideally with someone steadying it. Watch the flooring.
• Brush the dust off with a soft brush and vacuum it up. Work downwards. On models with a covered coil underneath, use the vacuum nozzle through the grille rather than removing panels.
• Do the floor and the wall behind while you are there, because that dust goes straight back onto the coils.
• Do not wash the coils or spray water on them, and do not bend the tubing. If a pipe or fin looks damaged or oily, stop and call a technician — that is the sealed refrigerant circuit and it is not touchable at home.
• Leave a clear gap when you push it back. A hand’s width behind and above, out of direct afternoon sun and away from the stove. See why your fridge is always running for what poor clearance does in summer.

Defrosting a manual-defrost freezer, safely. A frost-free fridge defrosts itself, so this applies to single-door and older models where frost builds up into a thick layer. Once that layer is more than about a centimetre thick it insulates the cooling surface and the freezer starts working harder for less.

• Empty it and switch off at the socket. Frozen food goes into an insulated bag with an ice pack.
• Put old towels along the bottom and on the floor in front. There is more water in there than you expect.
• Then simply wait, with the door open. On a warm Delhi day this takes a fraction of the time it would elsewhere.
• To speed it up safely, stand a bowl of hot water inside and shut the door for a while, replacing it as it cools. A fan blowing room air into the open freezer works too.
• Never chip ice with a knife, screwdriver, chisel or fork, and never apply a hot metal object to the ice. The evaporator pipes sit directly behind that surface. Puncture one and the fridge stops cooling permanently, and that is a repair on the sealed circuit rather than a cleaning job.
• Do not use a hairdryer. Mains electricity, standing water and a metal cabinet is a combination worth refusing on principle.
• Dry everything, switch on, and let it come down to temperature before restocking. Give it a few hours.
• If heavy frost keeps coming back on a frost-free fridge, that is a defrost system fault or a failing door seal, not a cleaning problem. Defrosting it will help for a few days and then it will return.

How often does each of these actually need doing?

Honest frequencies for a Delhi kitchen, rather than a counsel of perfection nobody keeps up.

• Spills: the day they happen. Thirty seconds now, or a dried stain and a smell later.
• A quick sort-through: weekly. Before the shop. Throw out what has turned, and wipe whatever it was sitting on.
• Gasket folds: monthly. More often in the monsoon and in a kitchen where a lot of frying happens, because grease in the air is what makes the rubber tacky.
• Drain hole: every time you do a proper clean, and immediately if you find water under the vegetable drawer. Warm water down the hole, twenty seconds.
• A full interior clean: every two to three months, or straight after any long power cut that warmed the contents.
• Drip tray: two or three times a year, and immediately if there is a smell that survives a full interior clean.
• Condenser coils: two or three times a year in a Delhi flat, and always once before summer starts. If you are near a construction site or a main road, make it more often.
• Manual defrost: when the frost is about a centimetre thick, which for most households means every one to three months. Do not wait until the drawer will not close.
• The top of the cabinet and the outside: whenever you clean the kitchen. It collects cooking grease and Delhi dust faster than anything else in the room.

A few habits that halve the work. Lids or boxes on everything, which also stops strong food tainting the milk. Let hot food cool on the counter before it goes in, covered, so you are not loading heat and steam into the cabinet. Line the vegetable drawer with paper you can change. Do not pack the fridge so full that air cannot circulate. And keep the door openings short in summer. These sit alongside the rest of the routine in fridge and washing machine care tips and kitchen cleaning habits.

When to hand it over. Call a technician if the drip tray is fixed behind a rear panel, if water or a smell keeps returning after you have cleared the drain and washed the tray, if frost rebuilds quickly on a frost-free model, if the gasket is hard or torn rather than merely dirty, or if anything at the back looks oily or damaged. And if the smell or the grease is really coming from the whole kitchen rather than the fridge, a kitchen deep clean covers the places behind and under the units that are usually to blame. Never open the rear panel, the compressor housing or the sealed cooling circuit yourself.