Shipping & Returns

Returns Policy

We will not be able to accept returns for any products. The nature of the products and the requirement for proper storage will not allow us to accept returns.

If you find an issue with the performance of a product please contact us. We will accept standard scientific procedure for proof of non or sub par performance of a product that we have sold to you. Proof of non or sub par performance should include a positive control.

If we find the product to be out of specification we will replace it at no cost to you.


We can only ship within North America due to our distribution agreements with our manufacturers.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.