---
product_id: 50892579
title: "Bonda G4 Pond Sealer Clear 500g"
brand: "bonda"
price: "€ 70.89"
currency: EUR
in_stock: true
reviews_count: 8
category: "Bonda"
url: https://www.desertcart.hr/products/50892579-bonda-g4-pond-sealer-clear-500g
store_origin: HR
region: Croatia
---

# Smooth, easy brush or roller application Ultimate waterproof barrier High-performance weather & UV resistance Bonda G4 Pond Sealer Clear 500g

**Brand:** bonda
**Price:** € 70.89
**Availability:** ✅ In Stock

## Summary

> 💧 Seal your pond, seal your style — waterproofing made effortlessly sleek!

## Quick Answers

- **What is this?** Bonda G4 Pond Sealer Clear 500g by bonda
- **How much does it cost?** € 70.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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 withstand harsh outdoor elements and UV exposure without losing integrity.
- • **Leakproof Confidence:** Create a crystal-clear, durable seal that keeps your pond pristine and leak-free.
- • **Long-Lasting Clarity:** Maintains water clarity and prevents discoloration, preserving your water feature’s aesthetic appeal.
- • **Effortless Pro Finish:** Applies smoothly with brush or roller for a flawless, professional-grade coating every time.
- • **Versatile Surface Master:** Perfectly bonds to concrete, brick, stone, and even rusty metal for multi-surface protection.

## Overview

Bonda G4 Pond Sealer Clear 500g is a high-performance, clear waterproof sealant designed for ponds and water features. It offers superior protection against leaks, weather, and UV damage while providing an easy-to-apply, smooth finish compatible with concrete, brick, stone, and metal surfaces. Trusted by DIY pros and garden enthusiasts alike, it ensures long-lasting clarity and durability for your outdoor water installations.

## Description

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

Review: Even works on rusty metal - After much searching I found this product which seemed the closest to sort out my problem. I had bought a metal rusty style fire pit from B&Q to use as a water feature. It was perfect in that I love the rust look in my garden. It consisted of a large bowl sitting on a matching stand. I set it all up but I found that because it was a rusty style the water went brown, and looked awful coming out of a fountain feature. Yes....I know.....I should have thought of that but I just put it down to a senior moment. Anyway I decided to try and 'line' the inside of the bowl with a waterproof coating of some sort. Took me ages to find anything but I plumped for this one which is especially for concrete garden ponds. One reviewer said she used it successfully on a container made of zinc. So I gave it a go. I gave the inside of the bowl a good sandpapering to smooth the surface and following the instructions on the container painted on four coats. Had to leave it for 72 hours to cure. I then filled it with water and to date. which is one week later. the water is still crystal clear. Hooray....problem solved!!! It does dry shiny as other reviewers have said but that doesn't matter for my purpose. Also I don't know if it has a brown tinge to it because the rusty look is brown anyway. It certainly doesn't look any different, just shiny. So.....my purpose of this review mainly is to let anyone know who is looking for a waterproofing product for metal.....this was perfect for me.
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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 23,998 in DIY & Tools ( See Top 100 in DIY & Tools ) 418 in Sealers |
| Colour | Clear |
| Customer Reviews | 4.4 4.4 out of 5 stars (728) |
| Date First Available | 1 Feb. 2012 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Included Components | G4 Pond Sealer 500g |
| Item Package Quantity | 1 |
| Item Weight | 200 g |
| Item model number | BON12220 |
| Manufacturer | Rustins |
| Material | Plastic, Polyurethane |
| Part Number | BON12220 |
| Product Dimensions | 11 x 11 x 11 cm; 200 g |
| Size | 500g |
| Style | Clear |
| Thickness | 1 Millimetres |

## 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

### ⭐⭐⭐⭐⭐ Even works on rusty metal
*by C***C on 10 June 2024*

After much searching I found this product which seemed the closest to sort out my problem. I had bought a metal rusty style fire pit from B&Q to use as a water feature. It was perfect in that I love the rust look in my garden. It consisted of a large bowl sitting on a matching stand. I set it all up but I found that because it was a rusty style the water went brown, and looked awful coming out of a fountain feature. Yes....I know.....I should have thought of that but I just put it down to a senior moment. Anyway I decided to try and 'line' the inside of the bowl with a waterproof coating of some sort. Took me ages to find anything but I plumped for this one which is especially for concrete garden ponds. One reviewer said she used it successfully on a container made of zinc. So I gave it a go. I gave the inside of the bowl a good sandpapering to smooth the surface and following the instructions on the container painted on four coats. Had to leave it for 72 hours to cure. I then filled it with water and to date. which is one week later. the water is still crystal clear. Hooray....problem solved!!! It does dry shiny as other reviewers have said but that doesn't matter for my purpose. Also I don't know if it has a brown tinge to it because the rusty look is brown anyway. It certainly doesn't look any different, just shiny. So.....my purpose of this review mainly is to let anyone know who is looking for a waterproofing product for metal.....this was perfect for me.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐ Perfect for a leaky birdbath
*by S***D on 5 September 2020*

Very easy to use. Advise to use in a well ventilated area or outside (which it would be if sealing a pond - I was fixing a leaky birdbath). Followed the instructions and it did the job. Be aware it’s not totally clear - dries to the colour of yellowish varnish. However this didn’t bother me or the birds.

## Frequently Bought Together

- Bonda G4 Pond Sealer Clear 500g
- BOND IT CLEAR HA6 RTV Silicone Sealant Marine Aquarium Safe Water Fish Tank Adhesive
- Bonda G4 Pond Sealer Clear 1kg

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-12*