NPC Pro vs PoolTechy

NPC Pro LSI Calculator & Startup Guide – The Ultimate Water Chemistry Tool for Pool Professionals! Developed by the National Plasterers Council (NPC), the NPC Pro LSI Calculator & Startup Guide is the essential app for pool professionals, technicians, and service providers. Whether you’re calculating the Langelier Saturation Index (LSI) to ensure balanced water chemistry or following proper startup procedures for new plaster finishes, this app simplifies the process with accuracy and ease. Key Features: - LSI Calculator – Quickly determine water balance to prevent scaling, etching, and plaster degradation. - Water Chemistry Guide – Get precise recommendations for pH, alkalinity, calcium hardness, and more. - Startup Procedures – Follow NPC’s step-by-step plaster startup guide for long-lasting, durable finishes. - Easy Data Input – Enter key pool chemistry values and get instant LSI results. - Professional-Grade Accuracy – Designed for pool contractors, service techs, and water chemistry experts. - User-Friendly Interface – Simplifies complex calculations for effortless use on the job. - Ask The Expert – If you have questions we have answers, use our ask the expert form to get answers to your toughest questions from the NPC community experts. - Connect. Engage. Explore. In addition to the tools, NPC Pro offers you access to find members, stream podcasts, access technical resources, connect with NPC social media and more. - Podcasts Why Use the NPC Pro LSI Calculator & Guide? Balanced water chemistry is crucial to maintaining a beautiful, durable swimming pool finish. The LSI Calculator ensures your water is within the ideal range, preventing costly repairs and extending the life of pool surfaces. The Startup Guide provides step-by-step instructions to correctly introduce new plaster finishes, avoiding common issues like discoloration or surface roughness. Whether you’re a pool professional, service technician, or pool owner looking for precise water chemistry management, this app is your go-to tool! Download the NPC Pro LSI Calculator & Startup Guide today and take the guesswork out of pool chemistry! Pool Owners • Pool Professionals • Tech Resources • Education Affiliations: American Shotcrete Association Independent Pool and Service Association California Pool and Spa Association The Association for Pool and Spa Professionals American Concrete Institute American National Standards Institute Institute for Code Council Our Mission The National Plasterers Council will continue to be the utmost authority in the preparation, application, materials, start-ups and preservation of cementitious pool interior finishes. The NPC will collaborate with other associations and serve the industry through research, education, promotion, and certification of all segments of the pool industry including pool owners, the pool service providers, plasterers, manufacturers, specifiers, remodelers, architects, and builders.

PoolTechy is the all-in-one platform for running a pool service business — built for contractors and technicians, with a polished experience for the customers you serve. RUN YOUR DAY • Plan service routes for yourself and your technicians • Log service records with chemical readings, dosages, and photos • Water chemistry graphs and LSI insights for every pool • Offline-first: keep working in the field and sync when you're back in coverage GET PAID • Invoice automatically on a schedule or per visit • Customers pay by card or bank — one-time Direct Pay or hands-off Auto Pay • Track invoices, transactions, and transfers in one place • Set technician pay per visit TEAM & CUSTOMERS • In-app messaging with customers and technicians • Push notifications for records, requests, invoices, and payments • Customers see service history, photos, and chemistry trends — and pay in a tap HYDROS, YOUR IN-APP ASSISTANT • Ask how anything works and get taken straight to the right screen • Hands off to human support when you need a person Whether you're a solo operator or run multiple crews, PoolTechy replaces paper routes, spreadsheets, and chasing checks with one app your whole business can live in.