Phosphate rx: benefits: phosphate rx is an amazingly simple and effective product that has revolutionized the way phosphates are removed from salt water and fresh water aquariums. Regular use of phosphate rx increases vitality, color and growth of your aquarium's inhabitants. Phosphate rx is veterinarian approved, and has been used by leading public aquariums, livestock wholesalers, retailers and hobbyists. Directions: test your aquarium`s phosphate level prior to use. It is recommended to maintain phosphate levels below 0.03 PPM. Six drops of phosphate rx will lower your phosphate by .5 PPM for every 10 gallons (37.9L) of water. Do not lower your phosphates more than .5 PPM in a 24-hour period. For best results, add in high flow areas, one drop at a time. Some temporary cloudiness may occur when adding this product. Cloudiness will clear within 24-hours. For accurate results, wait 24-hours before retesting your phosphate level. Wait ten minutes before dosing other supplements. Test regularly and treat as necessary.