GrowoniX Deionization Filter Replacement Cartridge, 2.5" x 10" Filter Size:(GROWONIX) 2.5" x 20" the trademarked phosphorus booster used

the trademarked phosphorus booster used in Oneness makes photosynthesis in your plants function optimally

Up to 7 lbs

but also works equally well on vegetables

Use the speed control to optimize your pace

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GrowoniX Deionization Filter Replacement Cartridge, 2.5" x 10" Filter Size:(GROWONIX) 2.5" x 20" the trademarked phosphorus booster usedMixed bed deionization resin for polishing the final bits of TDS from RO water. For those who need absolutely pure water. Great for aquarium systems, or those with certain well water issues. Mixed bed deionization resin to eliminate the final bits of TDS PPM in RO water. For those who need absolutely pure water. Great for aquarium systems, laboratory use, or those with certain well water issues. Available in 2510, 2520, 4510, and 4520 size cartridges.