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G4 Clear Pond Sealant 5kg

g4 clear pond sealant 5kg
In Stock
Want this for Tuesday September 25th? Order in the next


01642 370888

Product Description

The Best Pond Sealant - Beware of Imitators!

Concrete based ponds need the final render sealing to stop the water getting in and lime leaking out. G4 has been long established as the market leader for this task. You need 3 coats of clear G4 when you apply it to a pond. This is a total of 550g per square metre. There is enough sealant in a 5kg tin for 9sqm (eg, a pond of 2m long x 1m wide and 1m deep = 8sqm)


  • The amount of G4 you will need depends on the internal dimensions of your pond. For example lets say the pond is 3m x 2m and 1m deep.
  • 1) Work out the area of the bottom (in our example 3x2m = 6sqm).
  • 2) Find the area of one of the sides. then multiply by 2 to cover both sides (in example sides 1 = 2x1 = 2sqm x 2 = 4sqm)
  • 3) Find the area of the other pair of sides: (in example sides 2 = 3x1 = 3sqm x 2 = 6sqm).
  • 4) Add up sides and floor (6sqm + 4sqm + 6sqm = 16sqm)
  • 5) Multiply total by 550gsm = 16 x 0.55kg = 8.8kg
  • Leave for 45-60 minutes after first coat
  • Do not leave for more than 4 hours between coats
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Pond Keeper reviews

Feedback for Pond Keeper has been compiled from 3029 customer reviews

Date Product Score Customer Comment

EasyPond 4500 Pond Pump & Filter Set


Service rating : great price good value for a perfect product and fast delivery.
Product : pond cleared in a few days to become perfectly clear after looking like pea soup.

PondXpert MightyMite Pond Pump 2500

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Service rating : Pump exactly as ordered, well packaged and on time. Will use this company again.
Product : Good product delivered on time

PondXpert Pond Protectors 30 Rings BOGOF


Service rating : Have used pondkeeper several times & always had great service & del.
Product : Used them many times & never had a problem

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Service rating : Very happy with friendly phone contact and prompt service- the only probleh we couldn’t get it to do the job. I think maybe the instructions were inadequate? Have just got back from holiday, so would be glad for further advice.
Product : Because despite prompt efficient service, couldn’t get the product to work!! Am hoping for further advice

PondXpert SolarSublight Triple


Service rating : Great product for the price! The lights are really bright, will buy others to light up features in the garden.
Product : Great product for the price, the lights are really bright.

PondXpert UltraFlow Pump 10000

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Clear description of products made choosing easy

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Service rating : Fast service would use them again
Product : Filter Sponge ripped when putting it on
Need a new filter sponge

PondXpert Triple Action 3000 Impellor


Service rating : Swift and expert service.
Product : Does the job, but the plastic party can wear against each other.

PondXpert Pond Protectors 30 Rings BOGOF


Service rating : Happy with the quick delivery
Product : Easy to put on the pond to protect the fish from the heron, they float so they can be put where needed, and look so.much better than a clumsy net.

PondXpert FlowMaster 4500 Impellor

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Spot on

5x4 Greenseal Pondliner

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Service rating : fast reliable delivery, items well packed. Will be using them again.
Product : Great delivery, well protected, arrived as promised.

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Service rating : Helped with pre-purchase queries. It arrived promptly. Seems good quality.
Product : Found me what I wanted - quick delivery. Very pleased

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EasyPond 30000 Pump & Filter Set


Service rating : Excellant service with good comunication on delivery
Product : It comes ready for working straight away all filters & tube fitted and works excellant on pond water crystal clear

Oase SwimSkim 25 Pond Skimmer (25sqm)


The order was dispatched promptly, well packed and arrived in perfect condition. Well done pond keeper.

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Service rating : Prompt and efficient
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Really good value for money, lovely little pond.

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Service rating : It arrived as promised.
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I have always found them to be willing to assist where they can. though the last time was I fell short. I bought a pump &filter sadly my cable for both items was short and I was not sure what I needed to use my items to help clear their algy in my pond. as I was informed that they were out of cable and then joining peice I needed to join everything together to reach my outside point.those in charge a female stated very clearly that because it was nearly there end of their season they would not have any further cable etc until next season. now I'm lost as i can not put them tools in I need to clear my pond. But I will call an Electrican to assist me with my problem as now I have a further two more.

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pondxpert easyfilter 4500 pond filter PondXpert EasyFilter 4500 Pond Filter
RRP £159.99
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