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Advanced RO water purifiers for borehole, salty, municipal and
other water sources, delivering clean, safe drinking water.

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Kenya's Leading Water Purifiers & Reverse Osmosis (RO) Filter Systems for Home

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Water Purifiers & Water Filters in Kenya - Reliable Solutions for Borehole, Salty & Tap Water

Get the best water purifier prices in Kenya with iClear’s advanced Reverse Osmosis technology. Whether you are dealing with salty borehole water in Syokimau or looking for a clean drinking water solution for your Nairobi office, our systems remove 99% of contaminants. We provide water purification solutions for homes and businesses across Kenya, with home purifiers available for purchase and an Annual Service Subscription designed for offices. Save up to 80% compared to bottled water costs with our durable, easy-to-maintain RO filters. Free delivery countrywide and Free professional installation available today in Nairobi, Nakuru, and environs.

For You and Your Home

4+ Years RO Champions

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Across 5 Markets

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Changing Lives One Drop At A Time

12,000+ Customers Served

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Best Water Purifiers in Kenya – iClear RO Systems

Shop our most popular RO water purifiers, trusted by Kenyan families and offices. Save up to 80% vs bottled water with free delivery, installation, and a 1‑year warranty on all models.

iClear Standard RO Water Purifier – Best for Salty & Borehole Water in Kenya

KSh 25,000

iClear Office Water Purifier in Kenya – Bottleless RO System for 20–30 Staff (Annual Service Subscription)

KSh 80,000

iClear Desktop Water Purifier in Kenya – Portable RO Water Dispenser with Instant Hot Water

KSh 40,000

iClear Whole House UF Water Purification System – 3,500 L/h

KSh 55,000

iClear Whole House UF Water Purification System – 5,500 L/h

KSh 70,000

iClear Slim PP Pre-Filtration System – 10"

KSh 4,500

iClear Slim PP Pre-Filtration System – 20"

KSh 7,000

iClear Jumbo PP Pre-Filtration System – 10"

KSh 12,000

Our branches

Growing Our Presence Across Kenya.

iClear is expanding its branch network across Kenya, making it easier for customers to access our products and services. Free delivery is available countrywide, while free installation is available in Nairobi, Nakuru and their confirmed surrounding service areas, including areas such as Kitengela and Syokimau. The map also highlights our wider service reach and planned expansion areas. If you are outside the confirmed free-installation areas, please enquire with our team to confirm availability in your location.

CountrywideFree delivery on every order

3 branchesNairobi, Nakuru & Mombasa(Opening soon)

Western KenyaNext branch, planned

Nairobi

Open now

Head office & flagship branch

Free Installation in Nairobi & Surrounding Areas:

NairobiKiambuKajiadoMachakos

Nakuru

Open now

Central & Rift Valley branch

Free Installation in Nakuru & Selected Service Areas:

Nakuru

Mombasa

Opening soon

Coast branch, location secured

Coming Soon to the Coast:

Mombasa Kilifi Kwale

Western Kenya

Planned next

Future expansion into Western Kenya

Planned Expansion Area

iClear presence across Kenya

Coverage shown is a guide. Free delivery is countrywide; free installation depends on your location within each branch's service area.

Nairobi

Nakuru

Mombasa (opening soon)

Western Kenya (planned)

Not yet covered

New Branch · Opening Soon

Mombasa & The Coast

Clean, purified water is coming to Mombasa.

iClear is expanding to Mombasa. Our new branch is currently in development and will bring professional water purification solutions, expert installation and local support closer to homes and businesses across Mombasa and the Coast.

Free delivery in Mombasa

Free professional install

Local Mombasa support team

1 Year warranty

Book free installation

iClear Standard Advanced water purification — KSh 25,000

Mombasa, Kenya

What is (RO) Reverse Osmosis?

Reverse Osmosis (RO) is a water purification method that pushes water through a very fine filter. This filter blocks dirt, chemicals, bacteria, and even dissolved salts. It's one of the few systems that can turn salty water and borehole water into clean, safe drinking water that tastes fresh and sweet.

Removes salts Removes bacteria Removes chemicals

99.9% Purification rate

Why reverse Osmosis

RO removes both visible impurities and invisible contaminants like salts, fluoride, chemicals, and bacteria. It is powerful enough to purify salty water, hard water, borehole water, municipal water — basically any type of water — and make it safe for drinking and cooking in Kenyan homes.

100%

Clean Water

Great for Borehole Water

Softens hard borehole water, removes bad smell, and filters out excess minerals for cleaner, safer drinking water.

Purifies Salty Water

Eliminates dissolved salts from salty or coastal water, giving you fresh-tasting water every day.

Saves You Money

Say goodbye to buying bottled water. RO gives you unlimited clean water straight from your tap.

Why iClear?

Save big with iClear’s advanced reverse osmosis water purification solutions. Enjoy convenient access to clean drinking water at home or discover our Annual Service Subscription for offices. Reduce your reliance on expensive bottled water and enjoy professional support from our team.

Reverse Osmosis

Reverse Osmosis uses a semi-permeable membrane to help remove dissolved salts, ions, unwanted substances and other impurities from water, providing a reliable solution for improving drinking water quality.

Save 80%

iClear purifiers are a cost-effective, long-term alternative to regularly buying bottled drinking water. With a one-time purchase, you can enjoy convenient access to purified water while reducing your ongoing bottled water expenses. Depending on your consumption and running costs, you could save up to 80% compared to bottled water.

Reliable Customer Care

We're committed to supporting you beyond installation. From maintenance guidance to genuine replacement filters and assistance when you need it, our team is here to help you keep your water purifier running smoothly.

Blog Articles

Learn about reverse osmosis and how it has saved money while giving convenience to Kenyans.

White Film on Your Dishes? Here's What Hard Water Is Doing in Your Home

Hard water, water with elevated calcium and magnesium content, affects the majority of Nairobi boreholes and municipal water users. Scale buildup reduces appliance efficiency by up to 30% and shortens appliance lifespan. What Is Water Hardness? Water hardness is defined by its concentration of dissolved calcium (Ca²⁺) and magnesium (Mg²⁺) ions, expressed in milligrams per litre (mg/L) as calcium carbonate (CaCO₃). These minerals dissolve naturally as groundwater percolates through limestone, chalk and dolomite rock formations. Classification Total Hardness (mg/L as CaCO₃) Typical Effect Soft <75 Prone to corrosivity; slightly acidic taste Moderately hard 75–150 Ideal range; minimal scale Hard 150–300 Noticeable scale; film on dishes Very hard >300 Heavy scale; reduced appliance life; soap inefficiency Most Nairobi borehole water and a significant proportion of municipal supply falls in the hard to very hard range (150–400 mg/L). What Hard Water Does to Your Home The most visible sign of hard water, white or grey film on dishes, glassware and taps, is calcium carbonate precipitated when water evaporates. Less visible but more costly effects include: Scale in kettles and water heaters: A 6 mm scale layer on a heating element increases energy consumption by approximately 40% and can reduce the element's life to 2–3 years from a normal 8–12 years. Scale in washing machines: Reduces detergent efficiency; a hard water household uses up to 70% more detergent for equivalent cleaning results; drum and valve calcification reduces appliance lifespan. Pipe restriction: Over years of use, scale accumulates inside pipework, gradually reducing flow and pressure. Skin and hair: Hard water leaves a mineral film on skin (the 'squeaky clean' sensation is actually incomplete rinse of mineral residue) and can make hair brittle. Hardness vs. Safety, Important Distinction Hard water is not a health risk. Calcium and magnesium are essential dietary minerals and WHO drinking water guidelines carry no health-based upper limit for hardness. The problems are aesthetic, economic (appliance and energy costs) and comfort-related. This distinction matters when prioritising treatment, hardness is a significant quality-of-life issue but is not in the same safety category as bacterial contamination or heavy metals. Treatment Options Ion exchange water softener: Replaces calcium and magnesium with sodium, producing very soft water ideal for appliances and laundry. Note: softened water is not recommended for drinking or cooking at high softener settings due to elevated sodium content. RO filtration at point of use: RO membranes reject calcium and magnesium ions at 92–96%, producing soft water specifically at the kitchen tap for drinking and cooking. This is the most practical approach for households wanting both safe and soft drinking water. Scale inhibitor (polyphosphate filter): A low-cost inline cartridge that conditions water to inhibit scale formation without removing the minerals. Protects appliances but does not reduce hardness in the water you drink. Electromagnetic descaler: Alters the crystalline structure of calcium carbonate to reduce adhesion. Results vary; generally more useful for existing scale prevention than health or taste benefit. Q: Can I drink softened water from an ion exchange softener? A: Softened water from a sodium-based ion exchanger is not recommended as the primary drinking water source, particularly for people on low-sodium diets or with hypertension. A separate RO tap for drinking water alongside a whole-house softener is the ideal combination. Soft, safe drinking water from every pour iClear's RO system gives you softened, purified water at your kitchen tap, protecting you and your kettle. Find out more. Keywords: hard water white film dishes Kenya, water hardness Nairobi, scale buildup water heater Kenya, soft water purifier Kenya

Why Does My Water Smell Like Rotten Eggs?

A rotten-egg or sulphur smell in water is caused by dissolved hydrogen sulphide gas (H₂S). This is a common occurrence in Kenyan borehole water, particularly in areas with volcanic geology or organic-rich sediments. The Chemistry Behind the Smell Hydrogen sulphide (H₂S) is a naturally occurring dissolved gas formed when sulphate-reducing bacteria decompose organic matter in oxygen-depleted (anaerobic) groundwater environments. The characteristic smell is detectable by the human nose at concentrations as low as 0.0005 mg/L, making it one of the most smell-detectable water quality issues long before it reaches concerning health levels. In Kenya, H₂S is particularly common in: Rift Valley boreholes with volcanic geology and associated sulphur deposits. Deep boreholes in stagnant aquifer zones with high organic matter content. Water heaters and geysers, where warm water accelerates bacterial activity and H₂S production. Is Hydrogen Sulphide Harmful? At the concentrations found in household water supplies (typically <0.05 mg/L), H₂S is not acutely harmful. The WHO has not set a health-based guideline value for H₂S in drinking water because the smell threshold is encountered at levels far below those associated with toxicity. However: H₂S is corrosive to copper, silver and certain metals, it causes blackening of silverware and tarnishing of copper fixtures. Sulphate-reducing bacteria in the system may indicate an anaerobic biofilm community that could include other, more harmful bacteria. The smell makes water unpalatable and can indicate the need for broader borehole maintenance. Treatment Options by Severity H₂S Level Treatment Option Notes Trace (<0.05 mg/L) Activated carbon filter Carbon adsorbs H₂S effectively at low levels Moderate (0.05–0.5 mg/L) Aeration + carbon filtration Aeration strips dissolved gas before filtration High (>0.5 mg/L) Chlorine injection + filtration + RO Chemical oxidation followed by full multi-stage treatment From hot water system only Hot water tank service; set above 60°C Kills sulphate-reducing bacteria in the tank A Note on Hot Water Systems If the smell is only present in hot water and not cold, the source is almost certainly sulphate-reducing bacteria in the hot water storage tank. The solution is to temporarily raise the hot water temperature to 60°C for several hours to pasteurise the tank, then flush thoroughly. This should be done carefully to avoid scalding risk and is not a permanent fix if the incoming cold water has elevated H₂S, the bacteria will re-establish. Q: Will a standard RO system remove hydrogen sulphide? A: At trace levels, activated carbon (present as a pre-filter in multi-stage RO systems) effectively removes H₂S. At moderate to high levels, additional pre-treatment, aeration or chlorination, is needed upstream of the RO system. iClear can assess your specific level and recommend the right configuration. Q: Could my sulphur smell be from something other than H₂S? A: Rarely, a sulphur-like smell can come from organic compounds produced by certain algal blooms. A simple water test distinguishes the two. Diagnose and fix your rotten-egg water problem iClear's technicians can test your water and configure the right treatment for hydrogen sulphide at any level. Find out more. Keywords: rotten egg smell water Kenya, hydrogen sulphide borehole water, sulphur smell water treatment Kenya, H2S water purifier

Pharmaceutical Residues in Water: Should Kenyan Households Be Concerned?

A 2022 global study found pharmaceutical compounds in rivers across Africa, including antibiotics and endocrine-disrupting compounds. Reverse osmosis removes over 90% of most pharmaceutical residues. How Pharmaceuticals Enter the Water Supply Pharmaceutical residues enter water systems through three primary pathways: human and animal excretion (drugs and their metabolites pass through the body partially unchanged), improper disposal of unused medications, and discharge from pharmaceutical manufacturing facilities. Sub-Saharan Africa faces a compounded challenge: pharmaceutical use is rising alongside population growth, while most wastewater treatment systems are not designed to remove trace organic compounds. Activated sludge processes, the most common treatment technology, remove some pharmaceutical compounds but allow others to pass into treated effluent. What Research Has Found in East African Water A 2022 study published in Proceedings of the National Academy of Sciences analysed pharmaceutical contamination in rivers across 104 countries and found Africa among the most highly contaminated regions. Rivers in Uganda, Tanzania and Kenya showed detectable levels of: Metformin (type 2 diabetes drug), detected at >1 µg/L in some East African river samples. Ciprofloxacin (antibiotic), detected at concentrations associated with resistance selection. Carbamazepine (anticonvulsant), a 'persistent pharmaceutical' highly resistant to treatment. 17α-ethinylestradiol (synthetic oestrogen from contraceptives), detected at low but ecologically relevant levels. Health Implications The concentrations detected in drinking water sources are generally far below acute therapeutic doses. Current health guidance from the WHO and US EPA does not classify existing pharmaceutical residue levels as an acute health emergency. However, concerns remain about: Antibiotic resistance: Sub-therapeutic antibiotic concentrations in water can select for resistant bacterial strains over time. Endocrine disruption: Synthetic oestrogens and other endocrine-active compounds affect aquatic organisms at very low concentrations. Long-term human exposure effects are under investigation. Vulnerable populations: Pregnant women, infants and immunocompromised individuals may warrant additional precaution given the uncertainties in long-term low-dose exposure research. What RO Filtration Achieves Reverse osmosis is among the most effective technologies for pharmaceutical removal. A 2023 meta-analysis in the journal Chemosphere reviewed 47 studies and reported RO removal rates of: Pharmaceutical Class RO Removal Rate Antibiotics (tetracyclines, fluoroquinolones) 92–99% Anti-inflammatories (ibuprofen, diclofenac) 88–96% Hormones (oestrogens, progestogens) 90–98% Anticonvulsants (carbamazepine) 85–95% Antidiabetics (metformin) >90% The combination of activated carbon (which adsorbs organic compounds) followed by RO membrane filtration achieves the highest removal rates for the broadest range of pharmaceutical compounds. Q: Should I be avoiding tap water because of pharmaceuticals? A: Based on current evidence, pharmaceutical residues in Kenyan tap water are not an acute health risk. However, for households that want the highest available protection, particularly those with pregnant members or young children, RO filtration provides meaningful additional removal. The highest standard of water purity for your household iClear's multi-stage RO system removes over 90% of pharmaceutical residues detected in East African water sources. Find out more. Keywords: pharmaceutical residues water Kenya, drugs in drinking water East Africa, RO removes pharmaceuticals, water purifier pharmaceutical contamination