This 50 tablet product is designed as a refill but if you use a 12 ounce container (plastic or glass) with 100ml (3 ounces) of room temperature water, you are ready to go. This option is much more economical. Excellofizz is designed for the smaller indoor grower. It allows a simple and economical way of providing accurate CO2 to your plants with no equipment needed for dispensing or monitoring, especially in situations where venting is limited. Excellofizz emits the proper CO2 levels for indoor plants by reacting and giving off pure CO2 gas and also absorbing oxygen from the air. 50 Tablets
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