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Hello Guys, I have just bought a pH meter and i am not very sure about how to use? Can i dip it straight into the water and test the pH? Or do i need to calibrate it first? If so do i do this buy dipping it in the pH 4.003 or pH 6.864? Once i dip it in there...are they the measurements...

Hello Guys. Quick question. When the rockwool block is bursting with roots and i am going to put it into the tray and start the lights, how high above should they be? and is this the same throughout the grow period? Thankyou

Hello Guys. Quick question. When the rockwool block is bursting with roots and i am going to put it into the tray and start the lights, how high above should they be? and is this the same throughout the grow period? Thankyou

Hello Guys. Quick question. When the rockwool block is bursting with roots and i am going to put it into the tray and start the lights, how high above should they be? and is this the same throughout the grow period? Thankyou

Hello Guys, I have just bought a pH meter which comes with an extra ph4 and ph6 buffer soloution? and i am really unsure on how this all works, what do these do or change? do i also need a caliburation fluid? what is that? if anyone please can help. thankyou very much.

Hello Guys, I have just bought the nft 205 kit and some feminized seeds and basically dont know where to start. Should i plant the seeds into the jiffy pellets or straight into large rockwool cube? Once the seed has sprouted how long till i should put under the lights? And how much light should...