Now these extra lime can leach and mix with pond water.
Flex seal on concrete pond.
Concrete contains a large amount of lime.
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.
The first reason why we paint or seal our concrete pond is to stop lime leaching.
The sealant is 100 silicone acetoxy and therefore fish friendly being a very effective permanent repair solution for your pond.
Apart from making it waterproof the right products like this one will actually promote the growth of algae creating a natural environment for fish.
Not all the lime is used when the concrete sets because it is a never ending process.
If you add water to a newly constructed concrete pond you will see thing layer of lime over it after 24 hours.
The hydration and setting of concrete go forever.
This has many benefits.
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.
The market provides different.