Watkins 71825 OEM Filter Cartridge for Hot Spring, Hot Spot, Solana & Caldera Spas

Original Replacement Filtration for Your Spa

Keep water feeling fresh and inviting with the Watkins 71825 OEM Filter Cartridge. As an official factory replacement, this cartridge is designed to fit a wide range of Hot Spring, Hot Spot, Solana, and Caldera Tarino spas. By filtering water before it re-enters the system, it helps trap debris and dirt, supporting smooth pump operation and reliable water clarity without altering your spa experience.

Compatibility you can rely on

The 71825 cartridge is built to match the filtration needs of a broad portfolio of Hot Spring models and related lines. Whether you own a classic model or a newer version, this cartridge aims to align with the original filtration specs to keep your spa running as intended. Notable compatibility spans indoor and outdoor spa configurations, across multiple generations and design updates.

• Hot Spring Grandee (1991–Current); Vista (2004–2013); Envoy (2004–Current); Vanguard (2001–Current)
• Grandee NXT (2014–Current); Envoy NXT (2014–Current); Jetsetter NXT (2014–Current); Jetsetter (1991–Current)
• Prodigy (1991–Current); Sovereign (1991–Current); Aria (2007–2015); Highlife ILE (2003)
• Hot Spot RLX (1998–2002); SLX (1998–2002); SX (2011–Current); TX (2011–Current)
• SLXtra (2001–2002); RE (1998–2002); SE (1998–2000); Solana SX (2003–2010)
• Solana TX (2000–2010); Solana RX (2003–2009); Caldera Tarino (2013–Current)

Key benefits at a glance

• Original factory replacement ensures exact fit and filtration performance
• Traps debris and dirt before they reach the pump and internal components
• Designed for broad compatibility across Hot Spring, Hot Spot, Solana, and Caldera lines
• Supports water clarity and a comfortable spa environment
• Simple installation with standard housing sizing

Maintenance tips

• Inspect water clarity regularly and replace when performance declines
• Follow your spa manufacturer’s maintenance schedule for optimal results
• Store replacement filters in a dry place to preserve media integrity

Choosing the right OEM filter helps maintain the original filtration dynamics of your spa, offering a practical path to consistent water quality without unnecessary guesswork. This cartridge is a practical, straightforward option for owners who value reliability and compatibility.