Hot Tub Training Centre

Master hot tub water care with 40 free, bite-sized courses from ClearSpa - covering pH, alkalinity, sanitisers, filters, shock dosing, hard water, energy and reseller best practice.

All 39 free courses

• Water Chemistry Basics: Learn the fundamentals of hot tub water chemistry including pH, alkalinity, and sanitiser levels. Essential knowledge for every hot tub owner. (Beginner, about 10 minutes)
• Chlorine Sanitisation: Master the art of chlorine-based hot tub sanitisation. Learn proper dosing, shock treatments, and maintenance schedules. (Beginner, about 12 minutes)
• Bromine Sanitisation: Discover the benefits of bromine for hot tub sanitation. Learn why many prefer bromine and how to maintain optimal levels. (Beginner, about 10 minutes)
• Filter Care & Maintenance: Keep your hot tub filter in peak condition. Learn cleaning techniques, replacement schedules, and troubleshooting tips. (Beginner, about 8 minutes)
• Troubleshooting Cloudy Water: Learn to diagnose and fix cloudy water issues. Understand the common causes and effective solutions. (Intermediate, about 10 minutes)
• Hot Tub Safety: Essential safety practices for hot tub use. Protect yourself, your family, and your guests. (Beginner, about 8 minutes)
• Draining & Refilling: Master the complete process of draining and refilling your hot tub. Learn when and how to do it properly. (Intermediate, about 12 minutes)
• Understanding Biofilm: Learn about biofilm - the hidden enemy in hot tub plumbing. Understand what it is, why it's dangerous, and how to prevent it. (Intermediate, about 10 minutes)
• Seasonal Hot Tub Care: Learn how to care for your hot tub through the seasons. Tips for summer, winter, and periods of non-use. (Intermediate, about 10 minutes)
• Water Testing Mastery: Become an expert at testing your hot tub water. Learn about different test methods and how to interpret results. (Advanced, about 15 minutes)
• Weekly & Monthly Hot Tub Care Routines: Your 10-minute weekly routine demystified. Learn exactly what to test, what to add, what to check, and what you can safely ignore. (Beginner, about 10 minutes)
• Common Hot Tub Mistakes & How to Avoid Them: Learn from others' mistakes! Discover the most common hot tub care errors and how to avoid them for trouble-free ownership. (Beginner, about 12 minutes)
• Foam, Smells & Skin Irritation: Tackle the top comfort complaints in hot tubs. Learn what causes foamy water, chemical smells, and skin irritation - plus how to prevent them. (Beginner, about 10 minutes)
• Hot Tub Water for Sensitive Skin & Families: Special considerations for families, elderly users, and those with sensitive skin. Learn gentler approaches to hot tub care without compromising safety. (Beginner, about 10 minutes)
• Preparing for Parties & Heavy Use: Expecting guests? Learn how to prepare your hot tub for parties, manage heavy use, and recover water quality the next day. (Intermediate, about 10 minutes)
• Hot Tub Chemical Myths & Misconceptions: Separate fact from fiction! Bust the most common myths about hot tub chemicals that lead to problems and wasted money. (Beginner, about 10 minutes)
• Holiday & Non-Use Care (1-4 Weeks Away): Going on holiday? Learn what to do before leaving your hot tub for 1-4 weeks, whether to drain or maintain, and your return checklist. (Intermediate, about 10 minutes)
• Choosing the Right Chemicals for Your Hot Tub: Not sure which chemicals you need? Learn how to choose products based on your tub size, usage, water type, and personal preferences. (Beginner, about 12 minutes)
• Hot Tub Ownership 101 (New Owners): Just got a hot tub? Start here! Your essential guide to the first 30 days, what to buy, what to ignore, and mistakes to avoid. (Beginner, about 15 minutes)
• Chlorine vs Bromine: The Deep Dive: Go beyond the basics. Understand the science behind why chlorine and bromine behave differently in hot tub conditions. (Advanced, about 15 minutes)
• Understanding Your Test Results Over Time: Learn to read patterns in your water tests. Understand what repeated issues indicate and when to drain vs correct. (Advanced, about 12 minutes)
• Building Good Hot Tub Habits: Learn how small habits make the biggest difference in water quality, comfort, and long-term hot tub health. Consistency beats correction every time. (Beginner, about 8 minutes)
• When to Drain vs When to Fix: Learn when it's better to drain and refill your hot tub versus treating existing water. Master the decision-making process for water age, repeated imbalances, and biofilm indicators. (Intermediate, about 11 minutes)
• Hot Tub Start-Up After a Fresh Fill: Master the proper sequence for starting your hot tub after draining and refilling. Learn the correct order of chemical additions and what to expect in the first 48 hours. (Beginner, about 9 minutes)
• Hot Tub Shutdown & Deep Clean: Learn when and how to properly shut down your hot tub for deep cleaning. Master plumbing purges, filter deep cleaning, and safe restart procedures. (Intermediate, about 11 minutes)
• Is This Normal? - Hot Tub Warning Signs: Learn to distinguish between normal hot tub behaviour and genuine warning signs. Stop panicking over harmless quirks and recognise when action is truly needed. (Beginner, about 9 minutes)
• Swimsuits, Lotions & Body Oils: Discover how everyday products contaminate your hot tub water. Learn about detergents, fabric softeners, makeup, sunscreen, and proper pre-soak habits. (Beginner, about 9 minutes)
• Understanding Hot Tub Covers & Water Quality: Learn how your hot tub cover affects water quality. Understand the impact of covering too soon after dosing, moisture trapping, and preventing foam and smell build-up. (Beginner, about 9 minutes)
• Filters: When Cleaning Isn't Enough: Learn to recognise when your filter needs replacement, not just cleaning. Understand flow restriction signs, pressure changes, and the difference between old and clogged filters. (Intermediate, about 9 minutes)
• Non-Chlorine Shock: When & Why to Use It: Understand the difference between oxidation and sanitisation. Learn when non-chlorine shock is the right choice, its compatibility with chlorine and bromine, and strategies for sensitive skin. (Intermediate, about 9 minutes)
• Water Balance & Heater Protection: Master the chemistry that protects your hot tub's most expensive component. Learn how water balance directly impacts heater lifespan, the battle between scale and corrosion, and strategies for long-term equipment health. (Advanced, about 12 minutes)
• Hot Tub Problems by Symptom: Learn to diagnose and fix common hot tub problems based on what you see, smell, or feel. A practical symptom-based guide to cloudy, smelly, foamy, slimy, and itchy water issues. (Beginner, about 10 minutes)
• Tap, Borehole & Softened Fill Water: Your fill water decides how your chemistry behaves. Learn how UK tap, borehole, well and domestic-softener water differ in calcium, metals and TDS, and how to adjust your start-up routine for each. (Intermediate, about 11 minutes)
• Hot Tub Energy Costs & Heating Efficiency: Cut your running costs without sacrificing water quality. Learn how cover quality, set temperature, filtration cycles and economy-tariff heating windows shape your monthly electricity bill. (Intermediate, about 12 minutes)
• Mineral Sanitisers, Ozone & UV Systems: Go beyond chlorine and bromine. Understand how silver/copper mineral cartridges, ozonators and UV systems work, what they do not replace, and how to dose chemistry alongside them safely. (Advanced, about 13 minutes)
• Hot Tub Care in UK Hard-Water Areas: Designed for owners in the South East, East Anglia and the Midlands. Learn how to protect heaters and jets from limescale, the role of scale inhibitor, and when partial drains beat constant chemical correction. (Intermediate, about 11 minutes)
• Reading Chemical Safety Data Sheets (SDS & COSHH): Make sense of the paperwork that ships with every chemical. Learn how to read an SDS, what UK COSHH means for home and reseller storage, and how hazard pictograms translate into safe-handling actions. (Intermediate, about 12 minutes)
• Pets, Birds & Wildlife Around Your Hot Tub: From dog hair clogging filters to bird droppings, foxes and frogs, learn how local wildlife and household pets affect water quality, plus practical fencing, cover and rinse-down habits to keep things clean. (Beginner, about 9 minutes)
• Selling, Moving or Long-Term Storing a Hot Tub: Planning to sell, relocate or mothball your spa? Learn the full winterisation, drain-down and pipe-purge sequence, what to document for a buyer, and how to bring a stored tub safely back into service. (Intermediate, about 12 minutes)