BRS Bulk GFO Granular Ferric Oxide - High Capacity size:3.5 lb is the natural way to

is the natural way to reduce unwanted nutrients in your reef aquarium

Press and hold the "Linkage/Lock" button to lock the knob and prevent accidental adjustments

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Most probes have a single chamber to house the actual reference probe and fluid that can become contaminated quickly throwing off readings and requiring calibration quite often

The Double Junction isolates the reference gel and probe from proteins and other organics that may otherwise precipitate and clog

BRS Bulk GFO Granular Ferric Oxide - High Capacity size:3.5 lb is the natural way toPhosphates are going to be one of the biggest battles we have with a reef aquarium. The BRS GFO works even better in reactors due to it being denser than most other GFO. The price is just about double of standard GFO however you only need to use half as much which equals out in the long run. High Capacity is going to have less dust than almost all other GFO on the market and being able to buy it in bulk saves a ton of money. High Capacity GFO is the