Where the dirt hides
The dirtiest places in a house are the ones you never see.
In Japan, families do ōsōji, a big clean at the end of the year: every corner, every drawer, every place nobody looks.
Grandma Haru wrote those places down. The slime under the drain cover. The black ring inside the washer seal. The filter at the bottom of the dishwasher that nobody told you about.
One secret per page: how to spot it, why it happens, what you need and the exact steps, with cheap things you already have. Check your own house
Check your house
Tick every sign you have seen. Each one is a secret in the notebook, with the exact fix.
Water stands around your feet in the shower, and the drain smells a little like old eggs.
Pull back the rubber seal on your front-loader. Black spots. Grey sludge.
Dishes come out gritty, and the dishwasher smells.
Pink or orange slime in the shower corners, on the drain, or at the toilet water line.
Your clean towel smells sour the moment it gets wet.
Black gunk hiding in the folds of the rubber door seal.
A yellow-brown crust where the seat attaches to the bowl.
A little cloud over your bananas every time you walk past.
Black dirt and dead bugs in the track where the window slides.
Tick the signs you know. The fix for every one is in the notebook. Get all 30 fixes
One page, one secret
Secret one is the hair monster. You will know it when water stands around your feet in the shower and the drain smells a little like old eggs.
Lift the drain cover. Push a barbed plastic strip down as far as it goes, twist it, and pull it up slowly. Wrap the clog in paper towel and run hot water for a minute.
Once a month. No drain chemicals needed. Every page ends with one line from Haru, and this one is: plastic strip, push, twist, pull.
One month, every spot
The checklist at the back turns the secrets into a routine: one room a week. Tick a box when it is done, and next month start again.
Week 1: Bathroom
- Drain hair monstermonthly
- Pink slimeweekly
- Toilet ringmonthly
- Grout scrubmonthly
Week 2: Kitchen
- New kitchen spongeweekly
- Disposal flapsevery 2 weeks
- Range hood filtermonthly
- Dishwasher filtermonthly
Week 3: Laundry and fridge
- Washer door sealmonthly
- Detergent drawermonthly
- Dryer lint screenevery load
- Fridge door sealmonthly
Week 4: The rest of the house
- Fruit fly checkas needed
- Cutting boardweekly
- TV remoteweekly
- Ant trailas needed
Every gross spot, done4 weeks
Three free secrets
For anyone who wants to try Haru before buying.
The hair monster, the washer seal and the fruit fly cloud, each with the signs, the why and the exact fix. A 5-page PDF. All it takes is your email.
The whole notebook
For a house with nothing left to hide.
All 30 secrets, the monthly checklist and Haru's safety rules, in a 35-page printable PDF in US Letter size. You pay once. Print it, or keep it on your phone.
$27
Get the notebookQuestions
Is Grandma Haru a real person? No. Grandma Haru is an AI character. The methods in the notebook are real, common household cleaning methods, written to match product labels and manufacturers' usual advice.
What exactly do I get? A 35-page printable PDF: the 30 secrets, one per page, the monthly checklist and Haru's safety rules, in US Letter size.
Can I read it on my phone? Yes. A PDF opens on any phone, tablet or computer. Or print only the pages you need.
Do I need special cleaners? No. The secrets use cheap things most homes already have, like baking soda, white vinegar, citric acid, dish soap and an old toothbrush. A few need a tool that costs a few dollars, like a plastic drain strip.
Is it safe? Every secret that uses bleach or a strong cleaner carries a warning, and the notebook opens with Haru's safety rules. The first one: never mix bleach with vinegar, ammonia or other cleaners.
How do I get it? Right after checkout the download appears on screen, and you get an email with your link to it. Payment is handled by Polar.
Can I get a refund? All sales are final once the download is yours, because it is a file you keep. If the file will not open or something is wrong with it, write to help@thegrandmaharu.com and we will fix it or refund you.
Is there more coming? More notebooks are planned, room by room.
Who sells this? Grandma Haru is a brand of Before You Send, KvK 42199416, Oder 20 Box C9920, 2491 DC 's-Gravenhage, the Netherlands. Payment, tax and delivery are handled by Polar, our online reseller. Terms of sale
Your house is next
Thirty gross spots, thirty exact fixes, one notebook.
$27, a printable PDF
Get the notebook