CarCareTruth Score
Recommended.
Priced as of June 1, 2026
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Prices may varyThis product ranks #3 of 9 in Foam Gun.
Last reviewed June 1, 2026
TL;DR Garden-hose foam gun (3/4" GHT); community-confirmed visible cling at residential pressure, foam density increases at higher dial settings per owner reviews. Brass fittings, no documented failure pattern in current community corpus. Dwell time unconfirmed. Health 9.5.
The Foam King is a garden-hose foam gun with a polycarbonate body, brass fittings, and a 3/4" GHT connection fitting all standard garden hoses. A quick-disconnect mechanism detaches the foam head for mid-wash rinsing. Six dilution settings adjust soap-to-water ratio; owners confirm the knob produces a progressive change across settings, with thicker foam at higher positions. Output is typical for garden-hose physics: visible cling to lubricate paint during contact washing, lighter than pressure-washer cannon levels.
Best for car owners without a pressure washer who want more foam than a hose-end sprayer. Listed as an Amazon Add-On Item, requiring a qualifying cart total to purchase standalone. Skip if you already own a pressure washer; a foam cannon delivers measurably denser foam.
Marketing copy from Clean Car USA, via Amazon. Not editorial.
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