ph pen .. new to hydro

how often do i calibrate my ph pen? hope not EVERY time i use it

no about every 2-4weeks

sweet thanks mane your the well main mane lol but ya i see your post EVERYWHERE and you know what your talking about so again THANKS
but i do calibrate out of the package?

by the way i got blueberry clones from one of the clubs so should be great 45-55 days flowering super short time excelent taste i also got some BBxGRANDADDY hash ... soooo excelent at $35/gram

you can its the best way not to contaminate the solution.
and leave a lil of it a paper towel and put it back on the cap, so the meter stays moist

I'm everywhere

i cant wait and see if Michigan get med mj.
Im up there faster than fuck

everyone needs the medical .... but ok i didnt understand the paper towel method do you mean do i put the ph soloution on the paper towel and put the towel in the cap? or do i put distilled water on the towel

yea on the paper towel.
If you can get a cloth even better.
you just wanna keep it moist

like da sig too

ok but soloution or plain water?

do solution

nvm seen your said soloution

how many ML do i use this packet has 20 ml is it a single use?

yea single use.
and just make the towel/cloth moist not super wet.

do i rinse the probe after testing some nute solution

yes.
10characters

10characters? huh

lol.............

you have to type 10 characters in a post lol

lmao ok cool thanks and ill be talking toyou in the near future ...plus ill have pics up soon i got a 250mh soon to be 400 in a 4x5 closet plants only taking up half the space with the small light a 105 cfm axial a sulfur burner that i run once every 2 weeks for 20 minutes as a prevetitive measure ive had powdery mildew my last 2 grows and im in a new house now and i have a bloom box i bought bare bones with one 400w hps for $300 im running the 400hps and a 400w mh in it going to be doing 4 sog plants a week on a perpetual system so youlllike what you see and again strain is blueberry optained from a club in S.F