Why Your Koi Pond Material Choices Matter More Than You Think
Choose your liner material based on your pond’s shape and your skill level—EPDM rubber offers flexibility for irregular designs and forgives installation mistakes, while RPE provides superior puncture resistance for formal rectangular builds but demands precise measuring. Match your underlayment weight to your soil conditions: lightweight geotextile fabrics work fine for soft, rock-free ground, but invest in heavy-duty underlayment or sand bases if you’re dealing with clay, roots, or rocky terrain that could puncture through over time.
Prioritize materials rated specifically for continuous water contact and fish safety…










