Hot Tubs are Gross - Hot tubs Naturally collect body oils, suntan lotion, and cosmetics. This makes your hot tub water murky and causes dirty scumlines. That's why we created an easy to use, fast acting Enzyme Cleaner & Spa Enzyme Remover. Our Hot Tub Enzyme Cleaner keeps Hot Tubs Clean - Our powerful natural spa chemicals provide an effective hot tub water treatment that clarifies spa & hot tub water. AquaDoc's natural spa enzyme water treatment is a natural enzyme remover that prevents them from coming back. Spa odor & Waterline Control - Avoid scum line buildup & get clean hot tub waterlines by using pure enzymes for spa & hot tubs. Get the Natural Enzyme Hot Tub Clarifier that works to remove odors and scumline stains. Enzyme Treatment that Removes & Prevents Algae - These Natural Spa Enzyme Chemicals remove Algae from your Hot tub and prevent future algae buildup to keep your spa clear. Easy to Use, Compatible with Bromine, Chlorine, Ozone, and Biguanide Sanitizers - Use 1oz for every 250 gallons daily until scumlines & smell are gone. Then prevent future scumlines by using 1oz per 250 gallons of water weekly. Wait 15 minutes after use before entering hot tub.