I've had success with my BHB and ONR, but only for use as a maintenance wash on paint with a 3+ month old layer of DG105 topped with CG's 50/50. Sheepskin mitt on the top half of the car, BHB on the bottom. I do plan on seeing how effective the combo is in the winter. My plan is to use a PW (mine or coin op) to remove any large particles, then the BHB + ONR; I'll use a ShMitt GS wherever needed.
When I first use the BHB with ONR, I use light pressure and a long sweeping motion so just the tips of the bristles are touching the paint. After I've gone over the one section like that, I rinse the brush, dip for more solution and then massage that same section using more pressure.
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