McKee's 37

Updated March 2026 · 3 products analyzed

All data sourced from Safety Data Sheets and manufacturer disclosures.

McKee's 37

Foaming Wheel Cleaner Gel

Acid-Based

Most AcidicpH 2.5 — ranked #5 most acidic among 59 wheel cleaners with pH data.BiodegradableReadily biodegradable in water

pH

2.5

Transparency

Moderate

Price

$1.23/oz

Compare

McKee's 37

Gentle Wheel Cleaner

HardwaterContains chelating agents that help prevent water spots and mineral deposits.

pH

9.0

Transparency

Limited

Price

N/A

Compare

McKee's 37

Xtreme Iron Remover

Most AcidicpH 5.0 — ranked #5 most acidic among 33 iron removers with pH data.Thioglycolate27.5% thioglycolate — ranked #1 highest concentration among 34 iron removers.BiodegradableReadily biodegradable in water

pH

5.0

Transparency

Moderate

Price

$1.36/oz

Compare