Ecological Laboratories introduces Microbe-Lift KH Bio-Active Booster, a pond additive containing a proprietary blend of carbonate hardness (KH) constituents and bacterial cultures designed to stabilize KH levels in ponds and support the nitrogen cycle, according to the company. Choose from 2-pound (MSRP $9.95), 8-pound (MSRP $34.95), 20-pound ($69.95) and 50-pound (MSRP $99.95) sizes. Posted on 10/13/10.

Rolf C. Hagen Inc. unveils Laguna UV Sterilizers in three models for different-sized ponds. The sterilizers feature a quick-reference LED indicator to show when a UV lamp is working, simple access to the UV bulbs and a spiral chamber design, the company reports. Choose from 14 watts, 28 watts and 55 watts. (Prices unavailable.) Posted on 10/6/10.

Pondbuilder Inc. announces Water Treatment Kits in three sizes. The kits use Pond Cleaner dry natural bacteria, Aqua Fix debris control, MuckBuster deep water treatment and a dechlorinator product. They are designed for up to 1,000 gallons (MSRP $69.99), up to 3,000 gallons (MSRP $149.99) and 5,000 gallons or more (MSRP $379.99). Posted on 10/6/10.