---
product_id: 50892579
title: "Bonda G4 Pond Sealer Clear 500g"
brand: "bonda"
price: "€ 49.67"
currency: EUR
in_stock: true
reviews_count: 8
category: "Bonda"
url: https://www.desertcart.nl/products/50892579-bonda-g4-pond-sealer-clear-500g
store_origin: NL
region: Netherlands
---

# Ultimate waterproof barrier UV & weather resistant Smooth, easy brush-on application Bonda G4 Pond Sealer Clear 500g

**Brand:** bonda
**Price:** € 49.67
**Availability:** ✅ In Stock

## Summary

> 💧 Seal your pond, not your worries — waterproof like a pro!

## Quick Answers

- **What is this?** Bonda G4 Pond Sealer Clear 500g by bonda
- **How much does it cost?** € 49.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/50892579-bonda-g4-pond-sealer-clear-500g)

## Best For

- bonda enthusiasts

## Why This Product

- Trusted bonda brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Weather Warrior:** Engineered to resist harsh weather and UV rays, ensuring long-lasting outdoor durability.
- • **Fast Curing Time:** Hardens in just 1.5 hours so you can seal and enjoy your water feature sooner.
- • **Leakproof Confidence:** Create a flawless waterproof seal that keeps your pond pristine and leak-free.
- • **Effortless Application:** Brush or roller on a smooth, even coat for a professional finish every time.
- • **Versatile Surface Compatibility:** Perfect for concrete, brick, stone, and more—ideal for ponds, fountains, and water features.

## Overview

Bonda G4 Pond Sealer Clear 500g is a high-performance, clear waterproof sealant designed for ponds and water features. It offers excellent protection against leaks, UV exposure, and weathering, with easy brush or roller application and fast curing. Suitable for multiple surfaces including concrete, brick, and stone, it ensures durable, professional-grade waterproofing for outdoor aquatic installations.

## Description

Free delivery and returns on all eligible orders. Shop Bonda G4 Pond Sealer Clear 500g.

Review: It works - Very efficient,use old brushes have to dump after use, lovely water proof finish and easy to use,
Review: Does the job brilliantly…! - Used this to ensure no leaks on my new waterfall made of pure dry stones to match my pond. I put two coats on and it works perfectly. As a precaution, try not to put too much on your brush, just do small amounts at a time. It hardens in about 1.5 hours and then add a second coat. To save on your brushes, once you have done a coat, place in a plastic bag, squeezing out the air and it can be used again later. Great stuff for sealing stonework also.

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- Flammable liquid and vapour.
- Harmful to aquatic life with long lasting effects.
- In use may form flammable/explosive vapour-air mixture.
- May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- May cause an allergic skin reaction.
- May cause damage to organs through prolonged or repeated exposure.
- May cause damage to organs.
- Suspected of causing cancer.
- Bonda G4 Pond Sealer - Waterproof Sealant for Ponds and Water Features, High-Performance Protection, Easy Application
- Ultimate Waterproof Sealant: Bonda BON12224 G4 Pond Sealer provides an exceptional waterproof barrier for ponds and water features, ensuring long-lasting protection and preventing leaks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003ZGBWTY |
| Best Sellers Rank | 51,009 in DIY & Tools ( See Top 100 in DIY & Tools ) 745 in Sealers |
| Brand | Bonda |
| Colour | Clear |
| Compatible Material | Plastic |
| Customer Reviews | 4.4 out of 5 stars 727 Reviews |
| Global Trade Identification Number | 05014197122204 |
| Included Components | G4 Pond Sealer 500g |
| Item Dimensions | 11 x 11 x 11 centimetres |
| Item Form | Liquid |
| Item Type Name | G4 Pondsealer Clear 500g |
| Item Weight | 0.2 Kilograms |
| Item dimensions L x W x H | 11 x 11 x 11 centimetres |
| Item height | 11 centimetres |
| Item weight | 0.2 Kilograms |
| Manufacturer | Rustins |
| Material | Plastic, Polyurethane |
| Style | Clear |
| Style Name | Clear |
| Surface Recommendation | Floor |
| Unit Count | 500.0 gram |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |

## Product Details

- **Brand:** Bonda
- **Item dimensions L x W x H:** 11 x 11 x 11 centimetres
- **Item weight:** 0.2 Kilograms
- **Material:** Plastic, Polyurethane
- **Style:** Clear

## Images

![Bonda G4 Pond Sealer Clear 500g - Image 1](https://m.media-amazon.com/images/I/61fnyIhKTBL.jpg)

## Questions & Answers

**Q: what happens if i wait longer than 4 hours to apply the next coat of g4 pond sealer ?**
A: I believe it is a question of bonding. If the first coat is still not completely dried it will bond better with the second coat. If it is cured completely, the bonding will diminish. This product is great for stones and bricks etc that has something that it can connect on to, less so for smooth surfaces like plastic or cured G4 for example. However, I have painted over G4 coats as a repair or just to touch-up long after the first coat, and it seems to still bond well. So the short answer is that optimal bonding should happen within 4 hours, hereafter still good though.

**Q: Does anyone know if this will dry with wet look I have coping stones that look really nice wet but not very good dry I’m hoping to keep the “wet look”**
A: It does dry with a wet look but it also darkens the stone. It is a yellowish brown colour when two or three coats have been applied. There is other coatings sold specifically for flags that gives a wet look. You may want to look at those first. G4 is made for ponds where it will not kill the fish, although it would do the job.

**Q: Can this be used on a perished linner**
A: Well I lcd a bird bath some years ago.with four coats of G4. It has stood a hard life with snow ice and even me scrubbing it so it is tough and is happy with multiple coats, which used a lot of the g4. In your situation I don't know the answer but if it was me and I wasn't risking  life & limb if it failed I would give it a go,  and use a good few coats.

**Q: Is it koi friendly?**
A: Sorry, Sony know as I used it to seal a concrete birdbath. Birds seem ok with it. Call their Customer Support, they were very helpful when I spoke to them. One other thing, it coloured the light gray concrete to a fawny brown so it is not transparent as stated.

## Customer Reviews

### ⭐⭐⭐⭐⭐ It works
*by N***H on 29 September 2025*

Very efficient,use old brushes have to dump after use, lovely water proof finish and easy to use,

### ⭐⭐⭐⭐⭐ Does the job brilliantly…!
*by J***H on 31 July 2021*

Used this to ensure no leaks on my new waterfall made of pure dry stones to match my pond. I put two coats on and it works perfectly. As a precaution, try not to put too much on your brush, just do small amounts at a time. It hardens in about 1.5 hours and then add a second coat. To save on your brushes, once you have done a coat, place in a plastic bag, squeezing out the air and it can be used again later. Great stuff for sealing stonework also.

### ⭐⭐⭐⭐ You may need more than you think
*by S***R on 28 April 2013*

Very effective sealer but it doesn't go a long way. I used it to seal a concrete bird-bath which kept losing water (and flaking) through absorption. I covered the whole stand, not just the bowl to stop winter damage and used almost 500ml with the recommended four coats. The first coat soaks in and the rest build up to leave a high gloss finish. Great seal which should avoid further winter damage but the birds had trouble getting a grip on the smooth surface. A bit of roughing-up with a file did the trick (on the sealant, not the birds) This will do for any non-toxic sealing job and looks like it will last a long time. Recommended. Note, (Oct 2013), after six months in all weathers: The finish is unblemished and has weathered to a slightly darker shade. No flaking or blistering and the bird bath looks ready to face winter. So, very pleased with purchase.

## Frequently Bought Together

- Bonda G4 Pond Sealer Clear 500g
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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-22*