Pool Guides
Step-by-step guides for common pool maintenance tasks: adding chlorine, backwashing your sand filter, adjusting pH and using flocculant. All explained clearly.
Pool Shock Treatment: How Much, When and How (Dosage per m3)
Pool shock treatment: dose 10-30 mg/l free chlorine with calcium hypochlorite. How long to wait? 8-24 hours until chlorine drops below 3 mg/l. How often? At least twice per season. Step-by-step guide with dosage table.
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Sand Filter Backwash: How Long Does It Take and How Often? (Step-by-Step)
A sand filter backwash takes 3 to 5 minutes and should be done every 1 to 2 weeks — or immediately when pressure rises 0.5 bar. Step-by-step guide for the multiport valve.
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Building a Pool in Your Garden: Choices, Costs and Planning (2026)
Pool installation guide: pool types, indicative costs (€15,000 to €80,000), permits, planning and pitfalls. Objective guide for anyone considering a garden pool.
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How to lower pool pH: dosage calculator and step-by-step plan
Pool pH too high? Add 10 grams of pH decreaser per 10,000 litres to lower pH by 0.1. Always dissolve in a bucket first, wait 4 hours and retest.
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How to use flocculant in your pool: step by step guide
Flocculant clumps fine particles so they sink. Add 150 ml per 10,000 litres, run pump on filter for 12 hours, then vacuum the floor. Sand filters only.
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How to add chlorine to your pool: step by step
Add chlorine using a floating dispenser or skimmer. Never throw tablets onto pool surfaces. Wait 4 hours before measuring chlorine levels after adding.
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How to raise pool pH: step-by-step with pH increaser
Use pH increaser (sodium carbonate) to raise pool pH. Add 10 g per 10,000 litres dissolved in water to raise pH by 0.1. Wait 4 hours and retest.
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