PLS HELP. Leaves spotting n starting to die

GG504 said:

This is my first grow. When do I supposed to add?

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Fill your rez first with RO then Cal-mag then silicate then Part A then Part B then you always Ph down at the end. check your ppms if it low you add equal parts of A and B then check ur ppms again

GG504 said:

Also instead of silicayi use h202 is that ok. Someone just recently said that it burns new roots

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No get potassium silicate your plants will thank you.

GG504 said:

Wow never knew that i just thought that u put ph up r down at end

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your only suppose to go down. Using ph up and ph down multiple times in a rez will mess it up. Go slow be patient. DWC is super hard for first grow.