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Drainage know-how

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Practical know-how on grease traps, septic tanks, drain clearing and CCTV pipe surveys — so you know what you need and avoid getting stung.

Restaurant Drains Food Premises Drain Maintenance Grease Trap Cleaning

Restaurant Drain Maintenance in Hong Kong

A blocked drain in a restaurant isn't a few lost drops of water — it hits your service and your FEHD licence, and in bad cases closes you for the day. How often to clean, what to do mid-service, pricing, and choosing a contractor.

26 October 2026Read
Building Drain Maintenance Commercial Drains Property Management

Commercial Building Drain Maintenance in Hong Kong

Drains in commercial and industrial buildings aren't like homes — one blockage can halt a whole floor. How often to maintain, the warning signs, how it's priced, and how to choose a contractor.

19 October 2026Read
Tenement Building Drains Ageing Pipes Old Building Leaks

Ageing Drains in Old Tenement Buildings: What to Do

Cast-iron and salt-water pipes in old tenement buildings corrode, leak and smell after decades. Learn the warning signs, repair vs replacement, and how to choose a drainage company.

12 October 2026Read
CCTV Drain Survey Property Handover Building Drains

CCTV Drain Survey in Hong Kong: How to Arrange One

A CCTV drain survey is a formal inspection of a whole run of drain, with footage and a report. See how it differs from pipe detection, when it's needed, and how to arrange one.

5 October 2026Read
Drain Clearing Pricing

How Much Does Drain Clearing Cost in Hong Kong?

Drain clearing has no flat rate — the fee depends on where the blockage is, the method, drain length and timing. Understand how it's priced and get a transparent quote.

28 September 2026Read
CCTV Survey Pricing

How Much Does a CCTV Pipe Survey Cost in Hong Kong?

A CCTV pipe survey has no flat rate — the fee depends on drain length, access, opening manholes and whether you need a report. Understand how it's priced and get a transparent quote.

21 September 2026Read
Septic Pumping Septic Tank Cleaning Village House

How to Choose a Septic Pumping Company in Hong Kong

Choosing a septic pumping company? Three checks on registration, quoting and process — plus where to see how the cost is worked out.

14 September 2026Read
Grease Trap Cleaning Pricing

How Much Does Grease Trap Cleaning Cost in Hong Kong?

Grease trap cleaning costs vary with restaurant size and grease volume — capacity, frequency, and per-visit vs contract all affect the quote. Understand the structure and get a transparent quote.

7 September 2026Read
Grease Trap Odour Restaurants & Food Premises Grease Trap Cleaning

Why Does a Grease Trap Smell? Odour Fixes

A sour, rotten-egg smell in the kitchen usually traces back to the grease trap. Learn where the odour comes from, the quick steps you can take now, and how regular cleaning fixes it for good.

31 August 2026Read
Septic Tank Maintenance Village House Septic Tank Cleaning

Septic Tank Maintenance: How to Make Yours Last Longer

A septic tank is not "install it and forget it." Learn three everyday habits, how often to inspect, an owner self-check, and how to pick a maintenance plan to stretch the pumping cycle.

24 August 2026Read
Septic Tank Village House Sewage Septic Tank Structure

How Does a Septic Tank Work? Chambers & Pumping Explained

Why do village houses rely on a septic tank? We break down the chamber structure, the anaerobic process, and why sludge keeps building until it must be pumped.

17 August 2026Read
Grease Trap Licence Restaurants & Food Premises FEHD Inspection

Restaurant Grease Trap Licence Requirements (FEHD)

In Hong Kong, a grease trap is one of the wastewater requirements for a food business licence. Learn how it ties into your licence, what inspections check, and how daily upkeep keeps you compliant.

10 August 2026Read
Drain Cleaner Drain Clearing Pipe Care

Do Drain Cleaners Work? How to Use Them Safely

Drain cleaner isn't a cure-all — used right it's a stopgap, used wrong it harms your pipes and hands. Learn which blockages it works on and when to stop and call a pro.

3 August 2026Read
Slow Kitchen Drain Drain Clearing Kitchen Drainage

Kitchen Sink Draining Slowly? A Self-Help Guide

A kitchen sink that drains slower and slower, with water that won't clear, is usually grease and food waste building up. Learn the causes, self-help steps and how to prevent it.

27 July 2026Read
Village House Septic Tank Septic Tank Backflow Post-Typhoon Drains

After Typhoon Noul: Septic Backflow Checklist

After Typhoon Noul hit Hong Kong, the DSD confirmed 8 flooding reports in rural New Territories village houses. Learn the 3 backflow warning signs, an owner's checklist, and why to book a half-yearly plan.

27 July 2026Read
Toilet Clogged Drain Clearing Toilet Bowl Blockage

Toilet Clogged? Self-Help Steps and When to Call

The toilet won't flush and the water keeps rising — flushing harder only floods the floor. Learn the 4 immediate self-help steps for a clogged toilet and when to call a professional.

20 July 2026Read
Sewage backflow Rainy-season drains Emergency drain clearing

Sewage Backflow: A Rainy-Season Self-Help Guide

Every rainy season, sewage surging back up from floor drains leaves people helpless. Learn the causes of sewage backflow, 5 emergency steps, and when to call in professional unblocking.

13 July 2026Read
Sewage Drain Unblocking Drain Clearing Drain Blockage

Sewage Drain Blockage in Hong Kong: Causes & Prevention

Common causes of sewage drain blockage and how to prevent them — understand the causes, legal responsibilities and prevention methods to avoid sudden drainage trouble.

11 July 2026Read
Drainage Company Selection Guide

How to Choose a Drainage Company: 6 Key Points

Hong Kong's drainage industry is uneven in quality, and picking the wrong company can cost you more and still not fix the problem. 6 practical points to help you choose a licensed, transparent and reliable contractor.

4 July 2026Read
Septic Tank Cleaning Pricing

Septic Tank Pumping Prices in Hong Kong

Septic tank pumping in Hong Kong is priced by district zone, from HK$1,300 per visit including 100 ft of hose. See the rate table and what changes it.

1 July 2026Read
CCTV Survey Pipe Inspection

What Is a CCTV Pipe Survey, and When Do You Need One?

A CCTV pipe survey uses a waterproof camera to observe the inside of a drain in real time, pinpointing the problem and greatly cutting later repair costs.

15 June 2026Read
Drain Clearing High-Pressure Drain Clearing

Drain Clearing: DIY vs Professional Jetting

Drain cleaners are not a cure-all. Deep blockages and structural problems can only be fully solved with professional high-pressure water jetting. Learn when you need a professional company.

1 June 2026Read
Septic Tank Cleaning Village House

Signs of a Septic Tank Overflow: An Owner Self-Check

Village houses in the New Territories and outlying islands rely on septic tanks to handle sewage, and an overflow has serious consequences. Learn 5 common signs of overflow so you can arrange cleaning early.

15 May 2026Read
Grease Trap Cleaning Restaurants & Food Premises

How Often Should a Grease Trap Be Cleaned?

Most Hong Kong food premises kitchens have a grease trap. Grease that is not cleared over time builds up and blocks the drains, and in serious cases breaches FEHD wastewater rules. Learn the right cleaning cycle to keep your business running.

1 May 2026Read

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