However concrete is a porous material and can eventually leach lime and other chemicals into your pond unless you seal the pond with a waterproofing compound.
Flex seal on concrete pond.
The atlantic water gardens black silicone pond sealer is a permanent sealant used for your pond which is flexible in its use being able to repair tears and holes whilst also being quick to cure.
The first reason why we paint or seal our concrete pond is to stop lime leaching.
If you have a pond or fountain that is constructed with a concrete brick or stone bottom you can easily and permanently transform and seal the pond or fountain using sani tred products to eliminate the need to regularly replace liners and eliminate uv damage puncture and lateral leaking problems associated with temporary liners.
Apart from making it waterproof the right products like this one will actually promote the growth of algae creating a natural environment for fish.
The market provides different.
This has many benefits.
The hydration and setting of concrete go forever.
It s our best pond sealer for concrete because it s designed to seal the porousness associated with concrete ponds.
The sealant is 100 silicone acetoxy and therefore fish friendly being a very effective permanent repair solution for your pond.
If you add water to a newly constructed concrete pond you will see thing layer of lime over it after 24 hours.
Concrete contains a large amount of lime.