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Spectrum Options
This unique blend allows helpful biological activity to immediately begin breaking down the elements provided by the high quality
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GrowoniX Deionization Filter Replacement Cartridge, 4.5" x 20" Filter Size:(GROWONIX) 2.5" x 20" Spectrum OptionsMixed 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.
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