| questions | answers |
|---|---|
| What's the difference between a 12-volt and an air-operated softwash system? | 12-volt systems use an electric pump powered by a deep-cycle battery, making them simple and cost-effective for most residential work. Air-operated diaphragm pumps (AODD) use an air compressor, offering higher flow rates and greater chemical resistance for large commercial jobs. |
| What materials should my plumbing be made of for soft washing? | Use chemical-resistant materials for all components that will touch your cleaning solution. Schedule 80 PVC, polypropylene, or stainless steel fittings, along with poly-braid or PVC hose, are essential to prevent corrosion from sodium hypochlorite (bleach). |
| What's a general mix ratio for cleaning a roof or siding? | A starting point for roof cleaning is often a 3-5% sodium hypochlorite (SH) solution, while house siding typically requires a much milder 0.5-1.5% mix. Always add a surfactant, and adjust ratios based on the severity of the organic growth. |
| My 12-volt pump won't prime. What should I check first? | The most common cause of priming issues is an air leak on the pump's suction side. Check that all hose clamps and fittings between the tank and the pump inlet are completely airtight. |
| Why is it important to flush my softwash pump after each use? | Rinsing your pump, hoses, and applicator with fresh water after every job is crucial. This prevents corrosive chemicals like bleach from sitting in the system, which can damage seals, diaphragms, and fittings over time. |
| Can I use my pressure washer to apply softwash chemicals? | You can use a pressure washer with a chemical injector and a low-pressure soap nozzle to apply solutions for house washing. However, this method typically produces a weaker mix than dedicated softwash pumps and is not suitable for stronger roof cleaning solutions. |
| What is a surfactant and why do I need it? | A surfactant is a soap-like additive that helps your cleaning solution cling to surfaces longer, penetrate dirt and grime, and provide more uniform coverage. It dramatically increases the effectiveness of your sodium hypochlorite solution. |
| Is soft washing safe for all surfaces? | Soft washing is a low-pressure cleaning method ideal for delicate surfaces like roof shingles, vinyl siding, stucco, and painted wood. It safely removes organic stains like mold, mildew, and algae without the risk of damage from high pressure. |
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