H2O Warehouse Information Centre

Welcome to the H2O Warehouse Information Centre — your organised hub for reliable, South African-ready guidance on all things water. Explore practical how-to articles, installation guides, maintenance tips, and easy-to-use calculators for every department. We’re starting with the essentials and will expand continuously based on customer requests and new releases.

What you’ll find
✓ Step-by-step installation guides with clear diagrams and metric measurements
✓ Troubleshooting tips to keep systems performing at their best
✓ Expert articles explaining water quality concepts in plain language
✓ Handy calculators for flow rates, UV sizing, tank volumes, LSI and more
✓ Department-specific advice tailored to domestic, commercial and off-grid needs

Browse by department
• Water Treatment — filtration media guides, cartridge selection, hardness vs LSI, UV sterilisation basics, RO pre-treatment checklists
• Irrigation — nozzle selection, precipitation-rate tips, zone layout pointers, water-saving best practices
• Borehole & Wellpoint — start-up procedures, iron/manganese removal options, sediment control, pump protection
• Rainwater Harvesting — tank sizing, first-flush setup, leaf and sediment filtration, safe use for household applications
• Pumps — choosing the right pump, calculating head and flow, priming and maintenance guidance
• Swimming Pool & Spa — circulation basics, media choices (sand, glass, AFM), UV/chlorination notes, seasonal care
• Plumbing — fittings and thread standards, pressure regulation, by-pass and isolation best practice
• Ponds, Water-features & Aquariums — biological vs mechanical filtration, pump selection, clarity troubleshooting
• Monitoring & Accessories — pressure gauges, TDS and pH testing, maintenance schedules and reminders
• All Brands — brand-specific install notes, warranty pointers and compatible accessories

Popular tools & calculators
• Flow Rate Calculator (L/min & L/h)
• Pump Head & Friction Loss Estimator
• Tank Volume Calculator (L)
• UV Sizing Helper (based on target L/h)
• Langelier Saturation Index (LSI) Calculator
• Irrigation Precipitation Rate & Runtime Helper

Getting started
✓ Pick your department above to browse articles, guides and tools
✓ Use the calculators to size components correctly first time
✓ Save or print our installation guides for quick on-site reference

Can’t find what you need?
✓ Tell us what you’re looking for by sending us your request via mail to info@h2owarehouse.co.za — we prioritise frequently requested topics and add new content regularly