Guess less on dose and sequence
Calculators and checklists for real pool jobs. Estimates only — retest and follow product labels.
Instant results. No email required. See all tools ↓ Test first →
Start here
The two tools most owners need first.
Estimates only. Labels and retest win.
All tools
Every Splash101 calculator and checklist. Coming soon stays visible.
Chemical dose calculator
Calculate
Rough dose from gallons and target ppm.
Open calculatorGreen-to-clear checklist
Sequence
Staged recovery — brush, filter, shock order.
Open checklistOpen / close checklist
Seasonal
Opening and winterizing ticks in order.
Open checklistSalt dose calculator
Calculate
How much salt to reach target ppm.
Open calculatorTools work better with the right guide
Calculate after you understand the job — not instead of it.
Clearing green water
Full symptom path — then use the checklist.
Problems
Raising / balancing numbers
What TA, pH, and FC mean before you dose.
Chemistry
Opening or closing the pool
Seasonal program — pair with the open/close list.
Care
Buying the chemical role
What to buy — not how much to add.
Essentials
Looking for something else?
Tools are for dose and sequence. Other jobs live next door.
- Water looks wrong right now Symptom-first fixes — green, cloudy, smell.
- I need to understand my test numbers pH, alkalinity, chlorine, CYA — ranges and fixes.
- What should I do this week? Weekly rhythm and first-year programs.
- Which strips or shock should I buy? How to choose gear — not a fake top-ten list.