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When his pool turned green, one owner uploaded a photo of a test strip to Claude. It explained what had gone wrong and the order to fix things in, and the pool is clear again.
My [POOL OR HOT TUB TYPE AND SIZE IN LITRES] has turned [COLOUR/PROBLEM]. Here's a photo of my test strip next to the colour chart on the tube. Read the results, explain in plain words what's out of balance and why, and give me a step-by-step order for fixing it, including which products to add, roughly how much and how long to wait between steps. Remind me of any safety precautions.
Replace the [PLACEHOLDERS] with your own details before you send it.
How to try it
- Dip a fresh test strip and photograph it next to the chart on the tube in daylight.
- Upload it to Claude with your pool size and the prompt.
- Follow the product labels for dosing and safety, and retest before each next step.
More home & family use cases
Translate a late grandparent’s old documents with ChatGPT
After his Swiss-born father died, leaving a pile of old documents in German that nobody in the American family could read, a man fed them into ChatGPT and asked for English translations that kept the original tone. It let him learn more about his father's story while grieving and share it straight away with his mother.
I'm going to share some old family documents written in [LANGUAGE], from around [DECADE OR PERIOD]. Please translate each one into natural English, keeping the original tone and any formal or old-fashioned phrasing. Then add a short note explaining any names, places, customs or historical references a modern reader might not understand. Mark anything you can't read or aren't sure about rather than guessing.
Prepare a weekly family meeting agenda with Claude
A mum of two holds a family meeting every Sunday night about the week ahead: what's coming up, what to celebrate and what needs sorting. Organising it in her head used to take 30 minutes, but now she asks Claude for an agenda based on what's coming and what her kids usually raise, which takes five minutes.
We hold a short family meeting every [DAY]. This week we have: [EVENTS, APPOINTMENTS, DEADLINES]. Things the kids often bring up: [TOPICS]. Something to celebrate: [WINS]. Something we need to sort out: [ISSUE]. Write a friendly 15-minute agenda with a fun opener, the week at a glance, one thing each person wants to talk about, and a short list of who's doing what.
Check a lease from the landlord’s side with Claude
One renter found AI kept agreeing with their own reading of a lease, so they asked Claude to play the landlord and list every clause that could cost the tenant money. It surfaced a clause letting the landlord take any 'damage' found within 30 days from the deposit, no photos needed.
Act as the landlord who wrote this lease. You wrote it to protect yourself. Show me every clause that could cost the tenant money or limit their rights, and explain exactly how you would use each one. Then, separately, rate each clause as standard, unusual or worth negotiating. Lease: [PASTE THE LEASE TEXT].
Reference: X @ivanmalcolm86