ALGAE GUARD LIQUID 32OZ About This Item Stubborn algae can be caused by low chlorine levels poor water circulation or very warm weather. HTH Algae Guard+ Ultra is the strongest algae control formula from HTH the brand swimming pool owners have trusted for over 90 years. The non foaming non staining formula both kills and prevents extreme amounts of stubborn green black and mustard algae for a season of crystal clear pool water. Simply add directly to your swimming pool water and dive right back in! HTH Algae Guard+ Ultra is compatible with all swimming pool types and works great with HTH Shock products. About HTH Pool Care HTH Pool Care was developed with the pool owner in mind. We know that maintaining your pool water can be a lot of work. That is why we are here every step of the way helping you clear the uncertainty from pool care. With economical easy to use solutions HTH is designed to work hard so you are prepared to tackle whatever life throws in your pool. From balancing your water to treating green water we offer a full line of products to keep your pool water healthy and your swimmers happy.

HTH Pool Care Liquid Algae Guard 32 oz