Pond-One O2 Plus Air Pump - 8000 - 4200L/Hr Plant Ties & Supports Zone A can control the

Zone A can control the same-powered ballasts/drivers as Zone B or Zone B can be set to control different powered ballasts/drivers eg:

ranging from 1000-1300PPM

The combo pen comes with batteries and the electrode is replaceable to extend its lifetime

This means that far too many coir growers are using base nutrients that are lacking in calcium and magnesium

Pond-One O2 Plus Air Pump - 8000 - 4200L/Hr Plant Ties & Supports Zone A can control theIntroducing Pond One O2 Plus Air Pump 02 Plus Air Blowers from Pond One are specifically designed for outdoor use and are resistant to the perils that extreme weather can throw at them. Fitted with a 10m cable, installation is made simple in comparison to other models around. 02 Plus 4000, 8000 and 12000 air machines are extremely powerful units. With outputs of 35, 70 and 110 litres per minute these are suitable for seriously large ponds or filters