Knowledgebase
Welcome to the BTL Knowledgebase. Ever since we started lining ponds, creating covers, and helping people with their projects, we've gotten asked a lot of questions. Many of these questions are repeatedly asked, so we put together the BTL knowledgebase to help answer any questions you had about a particular subject. We are adding new questions every month, so continue to check back often!
All of our resources are free. Please don't hesitate to share them with others!
Search
How do you rock a pond?
Adding rocks to a pond means more than just dumping some gravel across the bottom. For a truly natural looking rock lined pond, your job starts at the edges.
What is EPDM pond liner?
Ethylene propylene diene monomer (EPDM) is a type of rubber that is commonly used to make sheets of flexible pond liner.
Read More
How long do pond liners last?
A good quality pond liner should last 20 years or longer with no leaks and little maintenance.
Read More
How do I build a cheap garden pond?
Digging a shallow depression in the ground and spreading out a small piece of flexible liner is the cheapest way to make a quick pond.
Read More
What should I put on my pond floor?
Putting any material on the bottom of the pond helps give it a natural look, but it also complicates maintenance over the years.
Read More
Can I put a new pond liner over an old one?
It’s best to remove old and damaged liners before adding new layers, but it is possible in some cases to just place down a new liner over the old one.
Read More
Should I put rocks in the bottom of my pond?
There are many types of rocks you can use to anchor a pond liner and disguise its appearance.
Read More
Can you put tap water in a wildlife pond?
Tap water is acceptable for topping up a low pond but it’s not ideal for filling the whole thing.
Read More
What are the best pond liners?
You’ll find EPDM widely used in the pond industry, but reinforced polyethylene (RPE) is a far better choice for both backyard and commercial projects.
Read More
Should I put stones in the bottom of my pond?
Stones are a popular material for lining backyard ponds with a few disadvantages.
Read More
How often should pond water circulate?
The standard for pond circulation is a complete exchange of the pond’s volume once per hour.
Read More
Can goldfish survive in a pond without a pump?
Goldfish require more oxygen dissolved into the water than plants alone can provide, even in a small pond.
Read More
How can I make a small pond naturally?
For a natural pond with minimal work, the easiest method is to find a sloping area that already drains a lot of water and block it off with a small earthen dam.
Read More
How do you aerate a pond naturally?
In nature, ponds are aerated by creeks, springs, and streams that flow into them.
Read More
How do I build a small pond without a liner?
If you truly want to install no pond liners at all, you’ll need to pick a spot on your property that features natural clay soil deposits.
Read More
How do I keep my pond water clean and clear?
Everyone’s got a secret for clear pond water, but some methods are more proven and reliable than others.
Read More
Can I use black plastic as a pond liner?
Black plastic is a generic term for many different types of flexible materials, so check the actual composition of a product before using it in a pond.
Read More
How far should a pond be from a house?
The specific distance you’ll need to keep between your house and any waterworks like a pond depends on local regulations and building codes.
Read More
How do I cover the edges of my pond liner?
There are many ways to cover and hide the edge of the pond liner where it overlaps the ground.
Read More
How do you install a flexible pond liner?
Installing a flexible liner is easier than you think because the material easily spreads to cover the ground by hand.
Read More
Can I use a tarp as a pond liner?
When trying to build a pond in your backyard on a budget, you may be tempted to use common materials like a tarp.
Read More
What is pond underlayment made of?
The material known as underlayment is a geotextile that is thicker than a flexible pond liner.
Read More