Response to Hello Dan - The 150 cartridge can be used to replace the 100 and 50 cartridges. Originally, the single 150 cartridge was not available for the Mytilus. There are no disadvantages to using the single cartridge. The advantage is the cost. It is cheaper to buy the single 150 cartridge.

An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.

Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides. This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.