By Drew Dykes | September 24, 2018 | 5 min read
Living in Florida means constantly battling mold and algae growth on your property’s exterior surfaces. While you can’t escape these persistent organisms, you can definitely beat them with the right approach and techniques.
Whether you’re considering a DIY pressure washing project or want to understand what to expect from professional service, this guide explains the proven methods we use daily at Dykes Pressure Cleaning. We’ll walk you through our step-by-step process and explain why each component is essential for achieving outstanding results.
Essential Chemical Knowledge for Effective Cleaning
The Professional Formula
Our proven mixture consists of:
- 50% sodium hypochlorite (bleach)
- 50% water
- 32 oz bottle of soap (acting as surfactant) per tank
Proper Chemical Injection Setup
The mixture is injected into the pressure line after the pump—never before. This downstream injection method protects your equipment from corrosive damage that dramatically shortens pump life.
Setup Requirements:
- Injector fitting: Connects to quick-connect where hose attaches to pump
- Suction line: Drops into chemical tank to draw soap mixture
- Result: Machine pulls soap from tank to aid in cleaning process
Equipment Recommendations
Nozzle Selection Makes All the Difference
Soap Application Nozzles: Most pressure washers include basic soap nozzles, but professional-grade nozzles enable cleaning 2-3 story homes safely from ground level.
Where to Shop: While big box stores carry basic equipment, professional power wash supply stores offer the specialized tools needed for optimal results.
Machine Specifications
Minimum Recommended: 3-4 GPM and 3,000 PSI for effective residential cleaning
Professional Setup: We use 5.5 GPM and 3,500 PSI—the ideal balance of power and control for our daily operations
Investment Comparison:
- Budget machines: A few hundred dollars
- Professional-grade equipment: A couple thousand dollars
- Mid-range options: Under $1,000 for average homeowner needs
Value Consideration: Higher-quality equipment drastically increases productivity and delivers superior results.
Step-by-Step Pressure Washing Process
Phase 1: Area Preparation
Clear the workspace by removing or protecting:
- Plants and landscaping
- Outdoor furniture
- Personal items
- Anything sensitive to water or chemicals
This preparation ensures unobstructed access to all exterior surfaces while protecting your valuable property.
Chemical Dilution: Our downstream injection method results in 10% sodium hypochlorite and 90% water—diluted enough for safe use around properties while maintaining effective cleaning power.
Phase 2: Soap Application
Low-Pressure Pre-Treatment: Apply soap mixture evenly to all surfaces including:
- Exterior walls
- Windows (with caution)
- Soffits
- Gutter exteriors
Critical Safety Areas: Exercise extreme caution around:
- Windows: Designed for weather resistance, not high pressure
- Soffits: Can develop leaks if water is forced into cracks
- Electrical outlets: Water infiltration poses serious safety risks
Phase 3: Accessing Difficult Areas
Extended Reach Techniques: Use specialized nozzles designed for:
- Long-distance spraying: Stream pattern instead of fan pattern
- Soap injection capability: Maintains chemical application at height
- Ground-level operation: Eliminates dangerous ladder work
Safety Warning: Heights, wet surfaces, equipment recoil, and Florida heat create dangerous conditions. Avoid ladder or roof work whenever possible—it’s not worth risking injury.
Special Consideration: Porch Ceilings
Critical Assessment Required: Some porch ceilings use drywall with paint rather than stucco. Pressure washing drywall will remove paint and potentially damage the surface itself. Always verify ceiling material before proceeding.
Phase 4: Final Rinse and Protection
Dwell Time: After applying soap throughout the entire property, the chemical will have sufficient time to break down stubborn algae and debris.
Rinse Process:
- Remove injector line or drop into clean water tank to flush system
- Follow original application path for consistent coverage
- Remove all chemical residue and loosened debris
- Protect landscaping by rinsing plants in drip zones with clean water
Understanding Long-Term Damage
Permanent Staining: Mold and algae can leave permanent stains or actually eat through paint when allowed to build up over extended periods.
Restoration vs. Replacement: This proven process successfully restores most problem areas to their original condition. However, severely damaged surfaces may require repainting.
Maintenance Benefits: Regular pressure washing prevents permanent damage and keeps surfaces looking like new consistently.
The Professional Advantage
This comprehensive process works exceptionally well when executed with proper knowledge, equipment, and safety protocols. However, the technical requirements, safety considerations, and equipment investment make professional service an attractive option for most property owners.
Consider Professional Service When:
- Safety concerns about heights or chemical handling
- Lack of proper equipment or technical knowledge
- Time constraints or physical limitations
- Desire for guaranteed results and liability protection
Ready to Transform Your Property?
Whether you choose the DIY route or prefer professional service, understanding these proven techniques ensures you’ll achieve the exceptional results your Florida property deserves.
For professional pressure washing that delivers outstanding results safely and efficiently, contact Dykes Pressure Cleaning today.
Call us: 386-847-3626
Licensed, insured, and committed to restoring your property’s beauty while protecting your investment.
Serving Volusia County with expert pressure washing services. Your satisfaction and safety are our top priorities.






