Knowledge centre

Knowledge that helps you choose.

The MojaWoda.com blog is an expert knowledge hub for water filtration, water treatment, softeners, reverse osmosis, water testing, water quality problems and filter maintenance. You will find advisory guides, a glossary, news and practical case studies that help identify symptoms, understand test results and choose the right solution for a home, business, pool or aquarium.

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Installing a reverse osmosis system yourself - from delivery to commissioning [Case Study]

Replacing filter cartridges yourself with service support, step by step [Case Studies]

Pool shock chlorination – how much chlorine for 1, 10, 20 and 30 m³?

Which water filter for an apartment building? Match the solution to your water and plumbing

How to Lower or Raise the pH in a Swimming Pool? pH Minus and pH Plus Dosage Table

Cloudy or milky pool water – what to do and how to clear it quickly?

Water colour – what do yellow, brown or cloudy water mean, and is it safe?

What Pool Chemicals Do You Need? What to Buy to Get Started

The water in the osmosis system is constantly flowing to the sewage - what to do?

Organic compounds in water – harmfulness, removal, and where do they come from?

Ammonia in water – where does it come from, is it harmful, and how to remove it?

Water filtration - why? Hit or miss?

Drinking water - effects after a month, skin and weight loss

Microplastics - what it is, harmful effects, removal, where it is found

Polypropylene (PP) - what it is, properties, applications, harmfulness

Density of water: what it depends on, the influence of temperature, and anomalies

Raisin water - hit or miss? Reviews and preparation