Weighted Tubing - 3/8" ID Bioassay They sink to the bottom

They sink to the bottom and rapidly populate the aquatic environment in which they are applied

handheld colorimeters that provide higher accuracy results than typical chemical test kits

Optional equipment that we would suggest:

This energy saving light with safe low voltage input 12 V AC with outdoor/indoor UL transformer included

manually operated

Weighted Tubing - 3/8" ID Bioassay They sink to the bottomWeighted tubing is self weighted so it lays on the bottom of your pond instead of across the top of the water like polyethylene or vinyl airline. No more bricks or cinder blocks to try to hold your tubing down! This means easier installation, removal, and maintenance. Tubing lays across the bottom so you're much less likely to get snagged when swimming, fishing, boating, etc. Compared to other tubing types, weighted tubing is more flexible and