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I moved to a new house and the fishpond had cracks in it. I patched the cracks with a fibreglass repair kit. I’m pretty sure I got all the holes and gaps. I put some water in to test it and it seemed to hold well. But overnight the water level dropped about 50mm. Looking at the pond it seems like water has seeped into the fibreglass which is probably 30 years old. Can I use Crommelin pond sealer to fix this?
Drained, dried & painted!
Next step will bet th he fish & plants.
Lovely work, @Jude2! Many thanks for updating us on your project. The results you've achieved look wonderful.
Please give us another update when you start planting and introducing fish.
Mitchell
Baby fish now in, & happy. Just waiting for the big ones to return from holiday.
Hi @Jude2
Thank you very much for posting your fish pond project. It looks fantastic and I'm sure your little fishies will thrive in their new home. What kind of water pump did you use for the pond? Can you also please tell us the plants you've decided to put in?
Again, thank you for sharing such a wonderful project.
Eric
These are the pond plants I used. I also have Liriope, day lily & native violets up to the edge to give insects hidey holes. Big fish are now back & seem very happy😍
Hi @Aquaman,
To clarify, fibreglass is not a surface that the supplier has in their recommended list of surfaces for pond sealer as it is flexible and changes dimension when it heats up and cools. The sealer might very well stick to the fibreglass; it's just the supplier can't verify that it won't crack or delaminate at a later stage.
Mitchell
Not as far as I'm aware @Aquaman. Achieving no VOC for a sealing product would not be easy due to the qualities they need to possess. Even LOW VOC wall paints are a relatively specialised product. Many products stop off-gassing completely when they've cured, but if this is inside, you'd likely need to ventilate the area until that occurs. Could your aquarium be built outside and sealed before it's bought inside?
Mitchell
