Spec-by-spec
Head to head
Contenders from Automatic Pet Water Fountains, every metric lined up. The winning value in each row is outlined.
PetSafe Multi-Tier Pet Fountain 100oz – Accessible Two-Height Waterer for Senior Pets #3 in Automatic Pet Water Fountains 
Price
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Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#21
Filtration Quality
—
Single-stage carbon filtration
Reservoir Capacity
100oz – ample for 1–2 pets, 2–3 days typical
60 oz (2–3 days for 1–2 pets)
Pump Noise
—
—
Ease of Cleaning
Top-rack dishwasher-safe; moderate assembly required
Dishwasher-safe, few parts
Verdict
Best multi-tier fountain for senior & arthritic pets
Best quiet ceramic fountain for timid pets
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