How to Wash Cloth Diapers | A Simple Routine That Works

Keeping cloth diapers clean comes down to one reliable routine: remove solids, store diapers dry, run two wash cycles, and dry them properly. Most cloth diaper brands agree on the fundamentals, even when their specific settings differ slightly. This guide walks through the complete process, the wash settings that matter, and the common mistakes that cause leaks and odors. If you are still choosing diapers, the best cloth diapers for your budget can help you start with a system that washes well.

The Step-by-Step Wash Routine

A consistent routine beats any single product. Here is the sequence that works across most diaper brands, from pre-wash through drying.

1. Remove Solids First

Shake, swish, or flush poop into the toilet before storing the diaper. Exclusively breastfed baby poop is water-soluble, so it may not need this separate step. Do this promptly, and the rest of the wash runs much smoother.

2. Store Diapers Dry

Keep dirty diapers in a dry pail or a wet bag until wash day. Never soak them in a wet pail while waiting. Wet storage encourages bacteria, stains, and odors that the wash cycle has to work harder to remove.

3. Run a Pre-Wash

Start with a short cycle using cold or warm water. Some brands recommend no detergent in this step; others suggest a small amount. The goal is to flush out urine and loose residue before the main wash.

4. Run the Main Wash

Use the longest, heaviest cycle your machine offers, with hot water and the full detergent dose for heavily soiled laundry. This is the cycle that actually cleans the diapers. Most brands recommend a heavy-duty or bulky setting for proper agitation.

5. Dry Thoroughly

Air drying protects elastic, waterproof layers, and trim, and sunlight can help fade stains. Tumble drying works for many diapers on medium or low heat, but always check the care tag. Some all-in-one diapers dry much slower than pockets or hybrids, so give them enough time.

Wash Frequency and Load Size

The most common recommendation is to wash every 2–3 days. This cadence keeps ammonia and bacteria from building up between washes. Letting diapers sit longer than that makes the job harder and can shorten their lifespan.

Load size matters more than most new parents expect. Overloading the washer reduces agitation, which means diapers come out less clean no matter how much detergent you use. Brands give slightly different caps, but the general guidance is consistent:

• Healthline suggests 12–18 diapers maximum per load.
• Thirsties caps loads at about 18 one-size diapers or 24 newborn diapers.
• Esembly recommends filling the washer ½ to ⅔ full with diapers, wipes, and accessories.

When in doubt, err on the lighter side. A half-full washer cleans better than a packed one.

Water Temperature and Cycle Settings

Water temperature is where brand guidance diverges, so match the setting to your diaper’s care label. The table below summarizes what the major brands recommend.

Two important cautions apply across brands. First, avoid sanitize, allergen, or steam cycles on diapers with elastics or waterproof components — the heat damages them. Second, if a brand warns about temperature limits, respect them; hotter water can shorten the diaper’s usable life, even if it cleans well in the moment.

Some brands rely on a two-cycle routine for the main wash, not just a pre-wash plus a single wash. Esembly, for instance, specifies a “Normal” warm wash followed by a “Heavy Duty” hot wash, both with detergent. If your diapers come out smelling clean and looking fresh with one good main wash, that may be enough; heavily soiled loads often benefit from the second pass.

Detergent, Drying, and Common Mistakes

Detergent choice is straightforward: skip fabric softener and laundry boosters unless they are explicitly labeled diaper-safe. Fabric softener coats fibers and reduces absorbency. Many cloth-diaper brands recommend clean-rinsing, fragrance-free, powder formulas, but a regular detergent that rinses fully can work if the dose is right.

The most common mistakes that ruin cloth diapers are:

• Soaking diapers in a wet pail before washing, which causes odor and stains.
• Using too little detergent, leaving residue and smell, or too much, causing buildup and reduced absorbency.
• Running a single wash on a heavily soiled load instead of a two-cycle routine.
• Overloading the washer so diapers don’t get enough agitation.
• Using sanitize or steam heat on diapers with elastic or waterproof layers.

For drying, line drying is the safest default, and sunlight naturally helps fade stains. If you use a dryer, Always confirm your specific diaper’s care tag allows it.

One honest caveat: all-in-one diapers genuinely dry slower than pockets or hybrids because of their layered construction. Budget extra drying time for them, or line dry the ones that need it.