The DNA/cellular material gradually sinks in the water column and will often be present in larger amounts close to the pond bottom. Try to avoid collecting sediment. It can interfere with the analysis.
Is there a risk of the sampler contaminating the samples?
How should I decontaminate equipment?
How do you take eDNA samples?
What is in a kit?
How many kits do I need?
Why are sampling points spread around the pond?
Why is 600ml of pond water collected when only 90ml is sent for analysis?
Why is the water column mixed before sampling?
Does it matter if I collect plant material, zooplankton in my water sample?
Why should sediment be avoided?
What happens if my samples contain a lot of sediment?
Does it matter if algae is present in the sample?
What happens if some of the solution in the 50ml tube spills?
How long can kits be kept prior to sampling?
When can I return my samples?
How do I return my samples to you?
I have kits left over what should I do with them?
Can I reuse parts of kits?
My kits were not collected by the courier when expected - will they still be okay?
Do the samples degrade during transit to the laboratory?