303® Mold & Mildew Cleaner + Blocker – 16 fl oz – part #30573

Q: Is this safe for use on spa covers and vinyl seats?

A: Yes, this non-bleach formula is safe for vinyl, plastic, and most spa and marine surfaces.

Q: Does this product prevent mold from coming back?

A: Yes, it leaves a barrier that helps block future mold and mildew growth.

Q: Can I use it indoors?

A: Yes, it is safe for indoor use on hard, non-porous surfaces but should be used with adequate ventilation.

Q: Does it have a strong chemical smell?

A: It has a mild cleaning scent that quickly dissipates after rinsing.

Shake the bottle well before use.

Spray directly onto the affected surface, saturating the area thoroughly.

Allow the cleaner to penetrate for 1–2 minutes.

Use a soft brush or cloth to scrub away mold, mildew, or stains.

Rinse the area with clean water and wipe dry.

For best results, apply regularly to prevent new growth.