SpecEtch Deep is a ready-to-use horizontal surface retarder that exposes underlying aggregate with a typical etch depth of 3/8" to 1/2" SpecEtch Deep is a spray-applied, blue-dyed retarder that preserves the natural color of aggregate and concrete, recommended for mix designs with 1/2" or larger aggregate. Key Features & Benefits Non-flammable and VOC compliant Blue dyed for visibility during application Achieves a typical etch depth of 3/8" to 1/2" Ready to use — no additional mixing required Application Instructions After placing concrete, float, screed, or trowel level without overworking the surface, to avoid sinking the aggregate Apply as soon as surface water has disappeared, using a garden-type sprayer to avoid puddles Packaging Available in 5-gallon pails (also offered in 55-gallon drums). Supporting Documents Safety Data Sheet (SDS) Technical Data Sheet (TDS)