Guides
Answers to the questions people in each trade actually search for. Every guide links to the tool built for that job.
Aquarium Dosing Calculator · Planted tanks
- EI dosing schedule explainedThe Estimative Index method for planted tanks: weekly targets, the macro and micro alternating schedule, dry dosing amounts by tank size, and why the 50 percent water change matters.
- PPS-Pro dosing method explainedHow the Perpetual Preservation System (PPS-Pro) works: the two stock solutions, the 1 ml per 10 gallon daily dose, resulting ppm, and how it compares with EI.
BrainSheet · Nursing
- What is a nurse brain sheet and how do you use oneA nurse brain sheet is the one-page report sheet you fill at handoff and update all shift. What goes on it, how to lay it out by unit, and how to use it for SBAR report.
Bulk Certificate Generator · Training
- How to generate certificates from a spreadsheetThree ways to turn a spreadsheet of names into individual certificate PDFs: Google Sheets with a Slides template and a merge add-on, Word mail merge, or a browser batch tool.
- How to mail merge certificates in Word from ExcelStep-by-step Word mail merge for certificates: prepare the Excel list, build the template, insert merge fields, preview, and save one PDF per recipient.
ColorCarte · Hair color
- How to keep hair color formula records for clientsThe seven data points every color record needs, how to log a formula in under five minutes per client, patch test and allergy notes, and how to store records safely.
CrackLog · Coffee
- What is first crack in coffee roasting and how to time itFirst crack is the popping sound beans make around 196 to 205 C. Learn what causes it, how to hear it, and how to time development after it.
CrashPack · Driving
- What to do after a car accident step by stepThe order of actions after a collision: check injuries, get safe, call 911, exchange information, photograph the scene, and report on time. General information, not legal advice.
Fanspot · K-pop
- What is a K-pop birthday cafe and how do you visit oneA K-pop birthday cafe is a fan run event celebrating an idol's birthday with themed decor and free cup sleeves. How to find one, what it costs, and the etiquette.
LightTide · Photography
- When is golden hour for photographyGolden hour is the low-sun period after sunrise and before sunset. How it is defined by sun angle, how long it lasts at your latitude, and how to plan a shoot around it.
NanaFrame · Family
- How to share photos with grandparents who are not tech savvyWays to get photos of the kids to grandparents who will not learn a new app: home screen widgets, connected frames, shared albums, weekly texts and prints.
HoofBook · Farriery
- How often do horses need to be shodMost shod horses need the farrier every 4 to 6 weeks and barefoot horses every 3 to 6 weeks. Why hoof growth sets the cycle, what changes it, and how to keep a schedule.
Warmthly · Relationships
- How to stay in touch with friends as an adultWhy adult friendships fade, what the research says about the hours friendship needs, and a simple rhythm system for calling the people who matter before too many days go by.
Lash Client Forms · Lash artists
- What should a lash extension consent form includeThe sections a lash consent form needs: client details, health history, procedure, risks, aftercare, expectations, photo release, and signatures. Not legal advice.
Soap Lye Calculator · Soap making
- NaOH vs KOH lye for soap makingSodium hydroxide makes hard bars, potassium hydroxide makes liquid and cream soap. The 1.403 conversion factor, 90 percent KOH purity, and dual lye ratios explained.
- What is superfat in soap makingSuperfat (lye discount) is the share of oil left unsaponified in a bar. What 5 percent means, how the lye is reduced, and when to go higher or lower.
Mockup Batch · Etsy sellers
- What print sizes to include in an Etsy digital downloadWhich sizes and ratios to include in a printable wall art download: the 2:3, 3:4, 4:5 and A-series families, 300 DPI pixel counts, and Etsy's 5 file and 20 MB limits.
- What size should Etsy listing photos be for digital printsEtsy listing photo size for printable wall art: 2000 px on the shortest side, 4:3 or square, how the thumbnail crops, and how to plan 10 mockup images per listing.
Notary Fee Quote · Notaries
- How much should a mobile notary charge for travelMobile notary travel fees in 2026: typical $25 to $100 ranges by distance, which states regulate travel, after-hours multipliers, and how to itemize a quote legally.
- How much can a notary charge by stateMaximum notary fees by state in 2026: California $15, Texas $10 plus $1, Florida $10, New York $2, which states have no cap, and what the cap does and does not cover.
Knokk · Couples
- How do couple photo widgets workHow a couple widget puts your partner's photo on your home screen: pairing, delivery, why updates are not instant, phone refresh limits, setup steps, and privacy checks.
Zenith · Prayer
- How are prayer times calculatedHow the five daily prayer times are worked out from the sun: solar noon, shadow length for Asr, sunset, and twilight angles of 15 to 20 degrees for Fajr and Isha.
QuietCheck · Family
- How to check on elderly parents living aloneHow to check on a parent who lives alone: how often to make contact, low effort routines, passive phone signals, alert devices, and how to agree it with them.
RoundTally · Trades
- How to price window cleaning jobsUK window cleaning prices in 2026: per visit by house size, per window rates, first clean uplifts, add ons and frequency discounts, with worked examples.
Seating Chart Maker · Events
- How many guests fit at a round tableSeats per round table by size: 48 inch seats 4 to 6, 60 inch seats 8 (10 max), 72 inch seats 10 (12 max), plus banquet table counts, spacing rules and how to size a room.
- How to make a wedding seating chartA step-by-step wedding seating chart plan: when to start after the RSVP deadline, how to group guests, table sizes, family rules, and how to print and display the chart.
Shotaway · Utilities
- How to delete screenshots in bulk on iPhone and AndroidFind every screenshot in one place, select and delete them all at once, empty the 30 day trash so the space is actually freed, and keep the ones you need.
Everysky · Photo
- What is golden hour and how to find itGolden hour is the soft, warm light just after sunrise and before sunset. Why it happens, how long it lasts at your latitude, and how to work out when it starts today.
Stair Stringer Calculator · Carpentry
- How to calculate stair stringer lengthMeasure total rise, pick the riser count, find the run, then use the Pythagorean theorem to get stringer length and the lumber size to buy. Worked example included.
- IRC stair riser and tread codeThe International Residential Code limits for stairs: 7 3/4 inch max riser, 10 inch min tread, 3/8 inch variation, nosing, width, headroom, and handrails.
Stampic · Travel
- How to make a travel photo mapTurn trip photos into a map using the GPS data your phone already records: the built in map view, exporting without losing location, and sharing safely.
Timecard Calculator · Small business
- California daily overtime rulesCalifornia Labor Code 510 explained: time and a half after 8 hours in a day, double time after 12, seventh day premiums, and how to total a week.
- How to calculate overtime on a timecardStep by step method for turning punched hours into overtime pay under federal FLSA rules: the 40 hour workweek, the regular rate, and a worked example.
Trucker Daily Log · Trucking
- 150 air mile exemption rules explainedThe FMCSA short-haul exemption in plain words: the 150 air-mile radius, the 14-hour limit, what time records the carrier keeps, and the 8-in-30 paper log rule.
- How to fill out a paper DOT driver logStep-by-step guide to filling out a paper DOT record of duty status: required header fields, the 24-hour grid, remarks, totals, and how long to keep each page.
Trucking Cost Per Mile · Trucking
- Average trucking cost per mileATRI's industry benchmark: $2.260 per mile in 2024 and $2.336 in 2025, what is inside the number, which line items are rising, and how an owner operator compares.
- How to calculate trucking cost per mileFixed costs plus variable costs divided by total miles, including deadhead. Worked owner operator example, the ATRI industry benchmark, and how to turn cost into a break even rate.
Yarnline · Knitting
- How to track knitting projectsWhat to record for every knitting or crochet project, how to keep several works in progress moving, and how to finish the ones you have started.