DrTim's Aquatics makes 100% natural products for freshwater, saltwater, and reef aquariums and Koi ponds and water gardens like One & Only Live Nitrifying, Eco-Balance Probiotics, Waste-Away sludge busters, and First Defense stress reducer. We offer a variety of products to successfully start up and maintain fish tanks and aquariums of all types and sizes. DrTim’s products are developed in the USA and all packaging is 100% recyclable. DrTim’s Aquatics Re-Fresh for Reef Aquariums 100% Natural Tank & Aquarium Revitalizer DrTim’s Aquatics Re-Fresh for Reef Aquariums is 100% natural and contains a potent mixture that keeps aquarium water and surfaces clean. Our liquid solution helps sanitize and revitalize fish tanks by eliminating green and brown slime in water and stains on surfaces from scum. For best results, we recommend adding Re-Fresh on a weekly basis to maintain a clear, clean, sparkling aquarium that enhances fish and reef animals. 100% Natural Removes green stains from surfaces Revitalizes old, green/brown water Keeps water odor-free Reduces organics How to Treat & Eliminate Green/Brown Aquarium Water No one wants to look at a dirty aquarium covered in green or brown slime with cloudy water that smells like fish. These disgusting traits are traditionally treated with harmful and concentrated chemicals. DrTim's Aquatics Re-Fresh provides a 100% natural alternative method that helps clean and maintain a healthy, sparkling-clean fish tank. Our potent liquid solution contains a powerful combination combats scum, slime, grunge, and cloudy water by reducing organic waste and residue that result in unpleasant odors. Our completely natural formula provides a quick, effective solution for cleansing and preserving tank water and is safe for fish and aquatic plants. We recommend using DrTim's Aquatics Re-Fresh weekly before slimy film and discolored water are apparent to maintain a beautiful, healthy, vibrant fish tank and ecosystem. Re-Fresh for Reef Aquariums is a sanitizing, revitalizing solution. Though these growths are traditionally treated with strong chemicals, DrTim’s Aquatics Re-Fresh provides a safe, effective alternative treatment method that is 100% natural and completely safe for reef animals and corals. Re-Fresh will give you fresh sparkling water in your aquarium by reducing organic waste from fish and organisms in aquarium water, which not only unsightly but can also disrupt the health of the aquarium’s ecosystem. Proper dosing can revitalize old, green/brown water, preserve clear water, and keep water odor-free and crystal-clear. For best results, we recommend adding Re-Fresh on a weekly basis with a maximum dose of 5 ml per 10 gallons of water to maintain a clear, clean, sparkling aquarium that enhances overall fish and coral healthThe condition of every aquarium varies, so it may be necessary to add Re-Fresh more frequently (every other day) to achieve desired results. One & Only First Defense Stress Relief Clear-Up Natural Water Clarifier Eco-Balance Natural Probiotic Waste-Away Natural Aquarium Cleaner Waste-Away Time Release Gels Add to Cart Add to Cart Buying Options Buying Options Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 1,753 4.5 out of 5 stars 1,753 — — 4.5 out of 5 stars 1,753 4.0 out of 5 stars 7 Price $39.99$39.99 $17.94$17.94 — no data — no data $15.98$15.98 $17.09$17.09 Product Size 2, 4, 8, 16, 32, 64 & 128oz 4, 8, 16, 32, 64 & 128oz 4, 8, 16, 32, 64 & 128oz 4, 8, 16, 32, 64 & 128oz 4, 8, 16, 32, 64 & 128oz Small, Medium & Large Amount of Water Treated (gal.) 30, 60, 120, 240, 480, 960 & 1920 240, 480, 960, 1920, 3840 & 7680 240, 480, 960, 1920, 3840 & 7680 120, 240, 480, 960, 1920 & 3840 120, 240, 480, 960, 1920 & 3840 Up to 10 Gallons, Up 50 Gallons, Up to 100 Gallons Benefits Beneficial to eliminate harmful ammonia and nitrite in saltwater, marine and reef aquariums Helps fish adapt to new environments with a mixture of vitamins and immunostimulants Clears up cloudy, white water without chemicals Maintains a balanced, healthy aquarium environment, blocks out unfriendly promotes optimal water quality Lowers nitrates and phosphates, unclogs and cleans gravel beds, removes gunky & hidden wastes, dissolves sludge, & keeps filter pads cleaner, longer that are automatically and continuously released into your aquarium to consume nutrients and break down fish waste; keeping your tank clean and water clear Usage ​​Use One & Only when setting up a new tank, after a water change, cleaning your filter, when adding new fish and after a disease treatment to control ammonia and nitrite When doing partial water changes, during treatments and when fish are showing signs of stress When water starts to become cloudy/white Use on a weekly basis to restore and maintain a clean, balanced, healthy aquarium Use once per week as a natural way to keep your aquarium clean. Before using gel, clean your tank using DrTim’s Aquatics Waste-Away LIQUID. Then maintain the tank with our Waste-Away Time Release Gels.