When to clean out Silica Gel Cat litter?

d s need help to clarify doubt about: : When to clean out Silica Gel Cat litter?
I’m using Simplicity plus Silica Gel but the instructions don’t say when to throw it out :(. When should I generally get rid of it? The litter has started to smell at about 2 weeks.

Try this:

Answer by ♪ Seattle ♫
HI there… according to many reviews by consumers they felt it should be discarded between weekly or more often if this is used by multiple cats.

http://www.naturesmedley.com/cat-products-SPsilicagel-detail.php

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