Tsaqua Systems Water treatment & filtration for UK facilities

Tsaqua Systems

Water treatment & filtration for UK facilities

Latest Articles

The Fading Signal: A Building-Wide Survey of Chlorine Residual
Water Safety & Compliance

The Fading Signal: A Building-Wide Survey of Chlorine Residual

A single sentinel tap reading cannot show where disinfectant residual is lost across a UK estate. This field guide sets out how to build a sample-point map, interpret chlorine decay from inlet to outlet, and choose between operational correction, booster dosing and local filtration without responding to taste complaints by simply adding more chlorine.
The Unseen Return Path: Charting RPZ Valves and Air Gaps Across a UK Estate
Water Safety & Compliance

The Unseen Return Path: Charting RPZ Valves and Air Gaps Across a UK Estate

Backflow prevention is often recorded as a list of devices rather than a map of risk. This guide sets out how UK facilities teams can locate every RPZ valve and air gap, tag the connections that matter most, and establish a defensible annual testing and records routine.
Frost, Stagnation and the Standby Plant Room: A 2026 Winter Readiness Routine for UK Facilities
Water Safety & Compliance

Frost, Stagnation and the Standby Plant Room: A 2026 Winter Readiness Routine for UK Facilities

The first hard frost of 2026 will expose more than unlagged pipework. It will test whether standby plant rooms, filtration skids and low-use dead legs have been managed as water systems rather than merely as heated spaces. This routine links freeze protection to water quality, continuity and defensible records.
Readiness Is Not the Same as Water Quality: Fire Storage on UK Estates
Water Safety & Compliance

Readiness Is Not the Same as Water Quality: Fire Storage on UK Estates

Fire tanks and wet risers are proven available, tested and then left alone. That is exactly how idle water becomes a water-quality blind spot. A combined routine of observation, controlled turnover, side-stream filtration and scheduled sampling can protect both fire readiness and water condition without compromising either duty.
The Circuit Is the Commissioning: Closed-Loop Water Treatment Before a UK Heat Pump Retrofit
Contaminants & Treatment Technology

The Circuit Is the Commissioning: Closed-Loop Water Treatment Before a UK Heat Pump Retrofit

A heat pump retrofit is often planned around plant selection, flow temperatures and controls, while the existing heating circuit is left as an inherited assumption. This article sets out a practical closed-loop water treatment routine for UK facilities teams, covering pre-retrofit survey, flushing, filtration, inhibitor compatibility and the handover evidence needed to protect new plant.
Overpressure, Overlooked: A Pressure Audit for Booster Sets and PRVs
Water Safety & Compliance

Overpressure, Overlooked: A Pressure Audit for Booster Sets and PRVs

Unmanaged pressure in booster sets and pressure-reducing valves can waste water, accelerate fixture wear and inflate pumping energy without appearing clearly on a utility bill. This audit routine uses overnight logging, set-point checks, pump-curve matching and a prioritisation matrix to expose the hidden cost and fix it proportionately.
Empty Desks, Standing Water: Flushing Regimes for Part-Occupied UK Offices
Water Safety & Compliance

Empty Desks, Standing Water: Flushing Regimes for Part-Occupied UK Offices

Hybrid working has left many UK offices with wings that are busy on Tuesday and silent by Friday. This article sets out how to map low-use outlets, schedule flushing on the evidence of occupancy, and prove water quality without turning the plant room into a water-wasting machine.
Water Safety & Compliance

The Quiet Hours Ledger: A Monthly Night-Flow Routine for UK Facility Water Meters

Overnight minimum flow is one of the few water-performance signals that can reveal hidden leakage before it reaches the bill. This guide sets out a repeatable monthly routine for UK facilities teams: mapping legitimate night demand, setting site-specific alarm thresholds, step-testing zones and documenting repairs for ESG and cost reporting.
Proving the Source Before the Keys Change Hands: A Private Water Supply Audit
Water Safety & Compliance

Proving the Source Before the Keys Change Hands: A Private Water Supply Audit

Private boreholes, springs and wells are often inherited rather than designed. This guide sets out a pre-handover proving framework covering source risk, treatment-train verification, sampling evidence and the commercial case for auditing before occupation.
Twenty Minutes, One Torch: The Plant Room Walk-Behind That Catches Drift Early
Water Safety & Compliance

Twenty Minutes, One Torch: The Plant Room Walk-Behind That Catches Drift Early

Most water treatment failures announce themselves quietly, weeks before anything trips an alarm. This walk-behind gives facilities teams a repeatable twenty-minute route for eyeballing filters, softeners, dosing sets, backwash sequences and sampling points, with a clear line between a note in the log and a call to the contractor.
Fewer Bells, Better Signals: Designing Water Treatment Telemetry Around the Response Model
Contaminants & Treatment Technology

Fewer Bells, Better Signals: Designing Water Treatment Telemetry Around the Response Model

Telemetry is often bought as a dashboard and installed as a burden. The case made here is straightforward: decide who responds to what, and within what time, before a single sensor is specified. Everything else — alarm tiers, thresholds, ownership and cyber hygiene — follows from that decision.
The Salt Behind the Claim: Auditing Softener Brine Across a UK Facility Estate
Contaminants & Treatment Technology

The Salt Behind the Claim: Auditing Softener Brine Across a UK Facility Estate

Salt-based softening quietly exports chloride to the sewer with every regeneration, and few estates hold the data to prove otherwise. This article examines where brine loads breach trade-effluent expectations, how to put numbers on an existing softener estate, and when salt-free conditioning or carbon-dioxide dosing is a genuine substitute rather than a marketing swap.
Balancing the Ledger: Proving Water Neutrality on UK Estates Without Gold-Plating the Plant Room
Water Safety & Compliance

Balancing the Ledger: Proving Water Neutrality on UK Estates Without Gold-Plating the Plant Room

Water-neutrality conditions have moved from the planning file into the plant room, and facilities teams are now expected to evidence savings year after year. This guide sets out the four levers available, the arithmetic behind offset payments, and a five-step framework for demonstrating neutrality without overbuilding treatment capacity.
The Local Filter Case: Point-of-Use Treatment in Ageing UK Buildings
Contaminants & Treatment Technology

The Local Filter Case: Point-of-Use Treatment in Ageing UK Buildings

Older UK buildings often carry water-quality risks that are local, intermittent and poorly served by a central plant overhaul. This article argues for targeted point-of-use filtration where lead, taste, odour and microbial risk can be managed closer to the tap — provided selection, change-out and validation are treated as engineering controls rather than consumables.
Catchment to Compliance: Auditing Rainwater Harvesting on Live UK Sites
Water Safety & Compliance

Catchment to Compliance: Auditing Rainwater Harvesting on Live UK Sites

Rainwater harvesting can make sound commercial and environmental sense, but the brochure payback figure rarely survives contact with an existing UK site. This audit-led guide sets out how facilities managers can test catchment yield, filtration, BS 8515 alignment and backflow risk before committing capital.
When the Main Runs Dry: A Priority-First Water Continuity Playbook for UK Estates
Water Safety & Compliance

When the Main Runs Dry: A Priority-First Water Continuity Playbook for UK Estates

Mains failures and drought restrictions test the whole water system, not just the incoming supply. This priority-led playbook explains how UK facilities teams can map critical uses, protect stored water, treat alternative supplies and maintain testing and communication under pressure.
Capturing the Washdown: A Facility Guide to Façade and Yard Water Reuse
Contaminants & Treatment Technology

Capturing the Washdown: A Facility Guide to Façade and Yard Water Reuse

Façade and washdown water is often sent to drain without measurement or control. This guide sets out how UK facilities can design a catchment, select pre-treatment and filtration, store and monitor recovered water, and answer the compliance questions before specifying a reuse system.
Where Hardness Costs Hide: A Facility-Zone Guide to Scale Control
Contaminants & Treatment Technology

Where Hardness Costs Hide: A Facility-Zone Guide to Scale Control

Hard water is a budget issue before it becomes an equipment failure. This guide separates genuine scale risk from unnecessary softening, compares the main treatment options on whole-life terms, and gives UK facilities teams a room-by-room checklist for 2026.
From Discharge to Duty: A Risk-Led Approach to Cooling-Tower Blowdown Reuse
Water Safety & Compliance

From Discharge to Duty: A Risk-Led Approach to Cooling-Tower Blowdown Reuse

Cooling-tower blowdown is a controlled waste stream with reusable water inside it, but reuse only makes sense when treatment, storage and risk controls are designed together. This article sets out a UK sizing and monitoring framework, common failure points and the cases where discharge remains the better option.
The Water Safety Year: A Practical Legionella Rhythm for UK Facilities Teams
Water Safety & Compliance

The Water Safety Year: A Practical Legionella Rhythm for UK Facilities Teams

Legionella compliance works better as a seasonal discipline than as an annual scramble. This month-by-month framework helps UK facilities teams turn L8 and HSG274 duties into a manageable year of checks, records and corrective action.