100% Natural & Organic Ingredients Improves Water Quality, Fish & Plant Health Microbe-Lift/Barley Straw Pellets work in much the same way as barley straw...only faster. Barley straw works by releasing certain natural chemicals as the lignin in the straw biodegrades. The barley extract works the same way only the breakdown compounds are released faster. Certain of these compounds react photochemically with sunlight and produce hydrogen peroxide, which is an oxidizing agent that also helps to keep the water clear. It is not necessary for the barley pellets or the straw to float on the top of the water for this reaction to occur. What is reacting with the sunlight is the dissolved organics that are released from the barley straw or pellets into the water column where it disperses pretty equally throughout the water. Availability: Usually ships the same business day. MLBSP105 Most Orders Shipped Out Same Day! Premier Ponds LLC pondinfo@premierponds.com U.S.A. Copyright © 1999 - 2007 Premier Ponds LLC, North Salem, New York. All rights reserved. Thermo-Pond Heater 3.0, Aquascape Designs Pond Kits, ScareCrow Sprinkler, Nursery Pro Micro Pond Kits, AquaClearer, Microbe-Lift, Great Blue Heron Decoy, Pond Liners, Thermo Pond Heater & Deicer, Premium Koi Food, Select Koi, Butterfly Koi, Pond Aeration Pumps, Flexible PVC Piping, BioFalls, Skimmer, Aquascape Pumps, Cat Stop!, Animal Control Products, Pond Netting.