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Additional Cassettes So You Don't Run Out
WaterGuru Cassette C2/C5 Combo - 3 Pack
Includes 1 C5 and 2 C2 Cassettes
edit, pause, cancel anytime.
$69
Subtotal

Cassette S1 - 3 Pack

WaterGuru Cassette S1 - 3 Pack
WaterGuru Cassette S1 - 3 Pack

Cassette S1 - 3 Pack

WaterGuru is no longer manufacturing S1 cassettes for SENSE S1 devices.

WaterGuru SENSE S1 devices can now use C2 cassettes!

Click here to purchase C2 cassettes

Note: Before switching to the C2 cassettes, be sure to use up any unused S1 cassettes.

How To Replace SENSE Cassette

No more testing strips and last minute trips to the pool supply store. Get precise pool water test readings sent straight to your phone.
We have ramped up production and our C5 Cassettes are back in stock