HydroFlow Pro

HydroFlow Pro is the plumbing calculator suite built for the field — pipe sizing, drainage, pumps, gas, pools, and pro tools in one offline-ready app. CALCULATORS FOR EVERY TRADE • Flow & pressure — Hazen-Williams friction, Hunter’s demand, Manning’s, water hammer, tank volumes • Drainage & waste — DFU sizing, grade & invert, storm drain, vent, septic, grease trap, condensate • Domestic water — water heater sizing, storage tanks, PRVs • Pumps & heat — BHP, TDH, booster pumps, expansion tanks, rolling offsets, radiator sizing • Pipe fitting — rolling, 3D, and any-angle offsets with live geometry • Fuel gas — multi-section gas pipe sizing with fittings • Pools — volume, turnover, pump, filter, heater, and chemical dosing • Specialty — medical gas, backflow, fire protection, cut-list optimizer FIELD TOOLS • Acoustic Leak Detector — hold the phone to the wall and read peak frequency in the leak band • Isometric Pipe Sketcher — sketch runs, rolling offsets, and layouts on site RESOURCES • Plumbing reference library — pipe schedules, rough-in notes, and code tables • Unit converter — flow, pressure, volume, and everyday units • Recent calculations — saved inputs and results • Job Reports — branded PDF exports with photos and business info (Pro) BUILT FOR PROS • Formula disclosure on calculators • Imperial and metric units • My List favorites for one-tap access • Designed for iPhone and iPad FREE TO TRY Three Water Flow calculators are free. HydroFlow Pro unlocks the full library, unlimited My List, field tools, and PDF export. SUBSCRIPTION & PURCHASE OPTIONS • HydroFlow Pro Monthly — $6.99/month • HydroFlow Pro Lifetime — $44.99 one-time Payment is charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the period. Manage or cancel in App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hydroflowcalc.vercel.app/privacy Questions? theglob3l@gmail.com