Reagent B is a 200g pack of pure sodium bicarbonate (bicarb soda), supplied as the second half of the two-part reagent system used in matching CO2 reactors. On its own it does nothing; paired with Reagent A (citric acid), it generates the CO2 your reactor delivers.
In use, the reaction between the bicarbonate and the citric acid produces a controlled, steady flow of CO2 for freshwater planted aquariums, supporting plant growth in an aquascape. Dosage is straightforward: 200g of Reagent B per reaction cycle with 200g of Reagent A, water added to the reaction cylinder as set out in the reactor instructions, and the cylinder properly attached to the regulator before generation begins.
This is a refill item for anyone already running a compatible CO2 reactor, or for keeping a spare cycle on hand. It is for use in the reactor only and should not be added directly to the aquarium.
Pack size: 200g.
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