Any idea what the goop in this new suncast hose reel/hideaway is

Suncast 225 ft. Smart Trak Hose Hideaway CPLSMT200B - The Home Depot

Suncast 225 ft. Smart Trak Hose Hideaway, Java

Hide your garden hose in style with this Suncast 150 ft. Hose Hideaway. It gives the look of wood with the weather-resistant plastic construction,

Suncast 150 ft. Slide Trak Hose Hideaway - Java CPLPDH150 - The Home Depot

OUTDOOR GARDEN HOSE REEL: Features a wicker style mocha exterior for a stylish and functional addition to your yard INCLUDES SMART TRAK HOSE GUIDE

Suncast CPLSMW200 SMW200 Hose Reel, Plastic, Beige

Suncast Hideaway 100-Foot Garden Hose Reel for 5/8 Hoses w/Stay-Up Lid & Crank Handle for Hassle-free Outdoor Storage, Cyberspace (3 Pack) : Patio, Lawn & Garden

Suncast 125' Aquawinder Auto Rewind Water Powered Yard Hose Reel, Java (2 Pack) : Target

My developer has some flaky stuff precipitating in the bottom of the jug. Is this normal? : r/Darkroom

Suncast 125 ft. Aquawinder Auto Rewind Hose Reel RSP125 - The Home Depot

Suncast 175 ft. Wicker Style Resin Hose Hideaway with Hose Guide, Java, Mocha Brown : Garden Hose Reels : Patio, Lawn & Garden