
SpaGuard® Incrementador de Dureza de Calcio – 12 onzas líquidas Aumenta la dureza del calcio, Fórmula granular fácil de usar, Previene la corrosión del equipo
Why Shop With Hot Tub Things?
Authentic & Genuine Products
Shop trusted inventory of original spa parts.
Competitive Pricing
Built value for genuine spa care.
Expert Customer Support
Need help finding the right item? We can assist.
Great Everyday Value
Strong fit and quality without overpaying.
Fast Free Shipping
Free shipping on orders $100+.
Satisfaction Guaranteed
Supported by our easy return process.
Key Features & Benefits
Raises Calcium Hardness
Label target is 100–200 ppm; below 100 ppm water can turn corrosive
Label Dosage Chart
Engineered for seamless compatibility with original mounting points for secure placement.100 gal: 1 Tbsp raises about 25 ppm; 4 Tbsp about 100 ppm
Protects Equipment
Helps keep soft water from attacking surfaces and equipment
Calcium Chloride Granules
12 oz (340 g) in a resealable bottle
Genuine SpaGuard®
SpaGuard® part number 42636BIO
Scatter, Circulate, Retest
Pump on high, run 30 minutes; do not pre-dissolve
Product Overview
-
El incrementador de dureza de calcio SpaGuard® está diseñado para aumentar los niveles de dureza de calcio en el agua del spa cuando bajan demasiado, lo que ayuda a prevenir la corrosión del equipo y el grabado de la superficie.
-
La fórmula granular o líquida se disuelve rápidamente en el agua circulante del spa y ofrece aumentos mensurables: por ejemplo, "1 cucharada por cada 100 galones aumenta la dureza del calcio en ~25 ppm".
-
Mantener una dureza de calcio adecuada (normalmente entre 100 y 200 ppm para spas) ayuda a proteger las tuberías, los chorros y las superficies, y evita la formación de espuma o que el agua se sienta “blanda”.
-
Compatible con todos los sistemas de desinfección de spa y fácil de usar: primero pruebe el agua y luego distribuya el producto mientras la circulación está en funcionamiento.
-
Ideal para spas ubicados en áreas de agua blanda o donde el reemplazo o llenado de agua ha resultado en niveles bajos de calcio.
Frequently Asked Questions
-
It raises the calcium hardness of spa and hot tub water to help prevent corrosion of spa surfaces and equipment.
-
The label says 100 to 200 ppm. Below 100 ppm, spa water can become corrosive and may damage surfaces and equipment.
-
Use the label chart. In a 100-gallon spa, 1 Tbsp raises calcium about 25 ppm and 4 Tbsp about 100 ppm. A 500-gallon spa takes 5 and 20 Tbsp.
-
With the pump running on high speed, scatter the measured amount over the water and keep the pump running for 30 minutes. Then retest.
-
No. The label says not to pre-dissolve it, because it gives off heat when it contacts water.
-
Yes. Measure carefully; inaccurate measuring can leave calcium hardness higher than you want, which can lead to scale and cloudy water.
-
No. It is a water balancer. Keep using your normal sanitizer and shock.
-
CAUTION: may cause skin and eye irritation and may be harmful if swallowed. Wear goggles or safety glasses and rubber gloves, and avoid breathing the dust.
-
It contains calcium chloride. The label says the contents are a product of Mexico. Net weight is 12 oz (340 g).
-
Yes. It is SpaGuard® Calcium Hardness Increaser, part number 42636BIO.







