Airmax Ecosystems offers Pond Logic Nature’s Defense water-soluble packets for pond clarification. As the packets dissolve, they activate bacteria that multiply every 20 to 40 minutes, digesting dead organics in the pond to leave it clear and healthy, according to the manufacturer. (MSRP $16.98-$139.98) Posted on 5/20/12.

Airmax Ecosystems introduces the Pond Logic Muck Defense formula, delivered in a tablet, for eliminating pond muck and sludge. The aerobic bacteria is formulated to quickly digest debris including fish waste, decaying leaves, twigs and fish food without harming the pond or its inhabitants, according to the manufacturer. (MSRP $16.98-$139.98) Posted on 4/28/12.

Airmax Ecosystems introduces Pond Logic Barley Extract Plus. A combination of natural barley straw decomposition and debris-reducing aerobic bacteria, the formula keeps pond water clear without chemical treatment, according to the manufacturer. (MSRP $12.98-$98.98) Posted on 4/16/12.

Hach Co./ETS introduces the AquaChek Copper 3-in-1 test strip for monitoring and controlling levels of copper in pond, pool and spa water as well as measuring for pH and total alkalinity levels. Users dip the strips into the water and compare them to the color chart so they can adjust levels not within the appropriate range. (Price unavailable.) Posted on 4/9/12.

Airmax Ecosystems introduces the PondLogic FeatureClear, a cleansing solution designed for small water features, fountains and birdbaths. The solution is formulated to keep water clear with natural bacteria that digests organic debris without chemicals. (MSRP $6.98) Posted on March 3, 2012.

Airmax Ecosystems offers PondLogic FeatureFix solution. Eight ounces of the product treats 800 gallons of water, removing discoloration and debris that accumulate in water features and fountains, according to the manufacturer. (MSRP $6.98) Posted March 2, 2011.

Atlantic Water Gardens introduces Bio-Balls with nearly 25 square inches of surface area for bacterial colonization. The balls are durable, lightweight and easy to clean, according to the manufacturer. (MSRP $37.33) Posted on Jan. 5, 2012.

Danner Mfg. Co. Inc. announces a line of three Supreme Hydroponics nutrients for hydroponic systems: Micro, Grow and Bloom. Choose from 16- and 32-ounce packages. (MSRP $10.99-$17.99) Posted on Dec. 21, 2011.

Airmax Ecosystems offers PondLogic InstaFix pond-cleaning solution. Formulated to be safe for ponds with plants and fish, the solution clears water and removes debris from rocks and liners in as little as 48 hours, according to the manufacturer. Choose from 8-ounce, 16-ounce, 32-ounce and 1-gallon sizes. (MSRP $6.98-$49.98) Posted on Nov. 29, 2011.

SeaKlear offers Aquaria Natural Clarifier to clean cloudy water and remove food residue in ecosystems. The solution is a 100 percent biodegradable and nontoxic marine biopolymer made from crustacean shells, according to the manufacturer. (Price unavailable.) Posted on Nov. 16, 2011.