pH Reducer - Liquid for Pools 20 Liters
pH reducer - 100% natural liquid in a 20 L jug, the large format for large pools, communities, hotels, and professionals. Lowers the pH of large volumes of water quickly and safely. 💜
🏘️ Large volume: for large and shared pools.
⚡ Fast action: results in 2-4 hours depending on the size.
👷 Convenient for professionals: liquid, dust-free, easy to dose.
🛡️ Safe for the whole family and for swimmers.

Pool maintenance · 20 L container
Natural liquid pH reducer in a 20 L container for large pools
In a large or community pool, high pH results in dull water, ineffective disinfection, and complaints from swimmers. The Puerto Verde liquid pH reducer in a 20-liter container allows you to correct it quickly in large volumes of water, with a 100% natural formula that is safe for the whole family.
Designed for residential communities, hotels, campsites, clubs, and maintenance companies, as well as for large in-ground pools.
- 🌿 100% natural
- 💧 Liquid format
- ⚡ Fast-acting
- 🛡️ Safe for the family
- 🎯 pH 7.2-7.6
High pH
Why control pH in shared pools
- Many swimmers a day quickly alter the pH.
- High pH reduces chlorine effectiveness just when it is needed most.
- Cloudy water that gives the facility a bad image.
- Eye and skin irritation that leads to complaints.
- Limescale deposits on edges, stairs, and equipment.
Liquid format
The liquid format, ideal for large facilities
Easy handling
No dust for staff.
Fast distribution
Reaches the entire pool.
Just a few hours
Facility ready the same day.
Large format
20 liters for many corrections.
Safety
Safe in shared pools
The Puerto Verde pH reducer is 100% natural and safe for the whole family, an important advantage in shared pools where children, seniors, and people with sensitive skin swim.
- 🌿 100% natural
- 🏡 The whole family
- 👶 Children
- 🌸 Sensitive skin
Dosage
Dosage for large volumes
In large pools, getting the dosage right avoids repeated corrections and unnecessary waste. The amount depends on the volume and the initial pH: calculate the dosage for each facility with our calculator or the table on the label.
Directions for use
How to use the liquid pH reducer
-
Analysis
Measure the pH and Total Alkalinity of the pool.
🧪 pH + TAC -
Dosage per facility
Calculate the amount for each pool with the calculator or the label.
🧮 Calculator -
Dilution
Dilute the dosage in one or several buckets of water.
🪣 In batches -
Application without swimmers
Distribute the solution around the entire perimeter with active recirculation and the pool closed.
🚫 No swimmers -
Verification
After 2-4 hours, measure again and repeat if the pH is still above 7.6.
⏱️ 2-4 h
Natural range for pools
Everything for your pool maintenance
For comprehensive maintenance of large pools, Puerto Verde offers:
Complete collection
Natural products for pool maintenance in formats for large facilities.
Formats