DeltaUV offers the EP Series for sanitation of ponds, fountains and water features with fish and other aquatic life. The EP Series uses UVC lamps to destroy viruses, bacteria, algae, yeast and mold by penetrating their DNA and permanently deactivating their germ cell metabolism to prevent reproduction, according to the manufacturer. (Prices vary.) Posted on Nov. 12, 2011.

Airmax Ecosystems introduces the PondLogic DefensePAC 1000 to maintain clear and healthy ecosystem ponds. The pack includes OxyLift Defense to lift debris; Nature’s Defense for clarity and health; Clarity Defense to stimulate bacterial activity, bind excess nutrients and remove suspended particles; Muck Defense to accelerate muck decomposition; and Seasonal Defense to decompose sediment in the fall and speed up filters in the spring. (MSRP $89.98) Posted on Nov. 5, 2011.

Pondstraw Direct launches its 1-pound Mini Bale of certified organic barley straw. The mini size can treat ponds and water gardens of up to 2,000 gallons and comes with private labeling at no extra charge, according to the manufacturer. (MSRP $15.95) Posted on 10/4/11.

EasyPro Pond Products launches its Ultra Sonic Algae Control systems. Available in four versions to manage algae in water features and ponds up to 3 acres without chemicals, the algae control systems shake algae cells to bits, according to the manufacturer. (MSRP $798.89) Posted on 9/9/11.

EasyPro Pond Products presents the Stratus ERP series of rocking piston air compressors for pond aeration systems. The oil-less design safely aerates ponds without electricity in the water, and each of the six air compressor models is designed for 24-hour operation, according to the manufacturer. (MSRP $468.99-$999.89) Posted on 9/4/11.

Complete Aquatics presents its IonMate Drop-In Model water treatment for algae control. The copper probes are housed in an ionization chamber designed for lowering into a skimmer or pump vault without retooling any plumbing, according to the manufacturer. (MSRP $399.99) Posted on 8/27/11.

ONEdersave Products LLC offers EcoBio-Wave for ponds and other outdoor water features. Made of volcanic rock, the product treats up to 1,000 gallons of water and lasts about five years, according to the manufacturer. (MSRP $137) Posted on 8/20/11.

Acurel offers Acurel E pond clarifier. Formulated to give ponds high-definition, sparkling clear water, the organically based product is safe for plants, fish and the environment, according to the manufacturer. (MSRP $9.99-$69.99) Posted on 8/15/11.

BioSafe Systems LLC offers GreenClean Broad Spectrum Algaecide/Bactericide Liquid now registered for sale and use in California. Formulated to control a broad range of filamentous and planktonic algae, it is labeled for commercial applications including ponds, lakes, reservoirs and irrigation systems. (Prices unavailable.) Posted on 7/24/11.

Atlantic Water Gardens debuts its Triton Ionizer to control algae without harsh chemicals. Designed for water garden and pondless applications, the ionizer electronically introduces microscopic ions of copper, silver and zinc into the water and treats up to 25,000 gallons, according to the manufacturer. (MSRP $482.86) Posted on 7/23/11.