Seachem Glass Inline Diffuser Zeo-carb it has a couple of

it has a couple of drawbacks with respect to foliar uptake of iron

*Not recognized as an essential nutrient by the AAFCO Food Nutrient Profiles

Crude fat 9

Perfect for cleaning sand-type substrates

Seachem Glass Inline Diffuser Zeo-carb it has a couple of13mm Minimizes the visibility of CO2 equipment in the aquarium Ensures maximum dissolution of CO2 in aquarium water Allows for more consistent dosing of CO2 Compatible with 12 mm ID 16 mm OD hoses The 13 mm glass Inline Diffuser is a pollen style inline CO2 diffuser that is placed in the outflow line of the filter or aquarium pump to efficiently diffuse CO2 gas into the aquarium. This placement of the diffuser avoids the need for a diffuser in the