OASE PondoVac 4 Pond Vacuum ph up & down All you need to do

All you need to do is apply approximately 1/2″- 3/4″ thick layer of Gnat Nix

Not only does the sturdy ribbed construction protect against breakage

Compact Design: The OptiMax 300 and 500 are particularly space-saving and easy to conceal

it has a 1-point auto calibration feature which makes it easy to calibrate

These organic acids promote healthy microflora in the substrate and act as chelators/complexors to aid nutrient availability and uptake

OASE PondoVac 4 Pond Vacuum ph up & down All you need to doThe PondoVac 4 can vacuum up to 5000 L H without interruption. It can be used continuously and powerfully in garden ponds, pools and swimming ponds, and as a wet vacuum in the home. This is made possible by the patented dual chamber system, which allows the vacuum to be used whilst the container is being emptied. A transparent pipe allows convenient flow control; the carrying handle, transport rollers and suction pipe holder also allow easy handling.