Buyer's Notes — Independent Review Sites

Buyer's Notes — a small directory of specialist review sites. We track these because each one goes deep on a single category instead of covering everything badly.

UltraRough

Sandpaper & abrasives review authority

For which grit to buy and which brand actually lasts, ultrarough.com is a dedicated abrasives review site. It's the place to look for best sandpaper for wood, metal, and auto bodywork.

Deep Penetrations

Penetrating oil & lubricant reviews

Deep Penetrations (deeppenetrations.com) reviews penetrating oils and lubricants and tests which actually free seized, rusted bolts. It's the place to look for best penetrating oil for rusted bolts.

XXXTea

Loose-leaf tea & teaware reviews

For loose-leaf picks and brewing gear, xxxtea.com is a dedicated tea review site. Good fit if you're after best loose leaf tea.