Mole ratio
(A mole ratio is ratio between the amounts in moles of any two compounds involved in a chemical reaction. Mole ratios are used as conversion factors between products and reactants in many chemistry problems.)
You shouldn't have a problem if you keep them in the coolest part of your home.
To be on the safe side, put them in a Rubbermaid tote or bin with a cover. That way if they do explode, you'll have any easy mess to clean up.
Looking forward for having this for the 4th of July. Just finished brewing and in the primary.
Plan on a couple weeks in the secondary and then to my tap-a-draft.