CO2 Diffuser (3-in-1)

Tropica CO2 Diffuser with Check Valve & Bubble Counter (Ceramic, 60 Liters, Automatic, Aquarium Plant Growth Support)

JBL Water Test Set, For freshwater aquariums, ProAquaTest CO2-pH Permanent

API ROOT TABS Freshwater Aquarium Plant Fertilizer 13 g 10-Count Box