​- Adds 30-100PPMs Cal Mag
- Slightly Reduces Flow Rate
​- Replace Every 6 Months

Replace Yearly

Ultimate RO 200gpd
Ultimate RO 300gpd

RO Filters $35

25' Extension Tubing $20

​- 1/4 Float Valve

Ultimate RO's for beginner & advanced growers

select gpd

House\Apartment water pressure is usually 45~85psi and is more than sufficient for all Ultimate RO machines. However, Ultimate ROs are tested @65psi and lower pressures will decrease both filtration and flow rate. But again, house\apartment water pressure works just fine. 

- 25' Tubing 1\4"  

- 1 Connector 1\4"


Ultimate RO 100gpd

Ultimate RO Ships To Lower 48 ONLY

Post RO Mineralizer $35

RO Comes: Pre-Assembled, Ready To Use & Includes 5/8 Hose Adapter

- 1 carbon Filter
- 1 Sediment Filter

Float Valve $20

Ultimate RO 150gpd

Entire Order Ships Discreetly for Only $7 US Shipping Only.  $22 for Canada. $32 Everywhere Else 

All ROs Come Float Ready