Monster762 said:

Yup your right. Why do they push the n so late ? Always been bump the pk drop n mid flower.
I guess they rely on you buying the additive to put the pk ratio higher?
And don’t forget now you need a flushing agent to help strip that chit out at end or it’ll be overripe n dark green still.
cha Ching.

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CrimsonEcho said:

I believe its a system bro. You mix 3 parts jacks hydro, 2 parts calcium nitrate and 1 part epsom salt. Its not a npk ratio. Just the name of the system.
This guy gives some detailed explanation on the issue.

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Hands On said:

Masterblend 4-18-38

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