The silicone membrane used in the Atlas Scientific Industrial Dissolved Oxygen probe is tough, but nothing lasts forever. If your Dissolved Oxygen membrane starts cracking or it ruptures, don’t buy a new probe; just replace it with this kit.
 

It may happen that you want to return an order. Because the product does not suit you, maybe there is another reason why you would not want the order. Whatever the reason, you have the right to cancel your order up to 14 days after receipt without giving a reason.

After cancellation you have 14 days to return your product. You will then be credited 85% order amount excluding shipping. For more information click the following link: /pages/shipping-and-returns