Gilltrading.com Inc. is a business committed to offer product designs the industry needs while encouraging safety and environmental responsibility. WeirWasher Automated Cleaning Systems (ACS) remove algae, scum, and other foreign material from clarifier and thickener weirs and troughs. Eco-Blaster Biological Control Systems automatically remove, control and/or clean grease, foam, scum, sludge, and other debris from center feed wells, aeration basins, screens, clarifiers, oxidation ditches, sludge drying beds, belt filter presses, SBRs, thickeners, MBRs, head works, splitter boxes, equalization basins and other collection areas.