Reservoirs ph rising fast ?

oh and the secound thing that makes PH up is the plant is eating lots of food(you need to add nutes) but i dont think thats the case in your situation.

VRZ711 said:

oh and the secound thing that makes PH up is the plant is eating lots of food(you need to add nutes) but i dont think thats the case in your situation.

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PPM are about 900 and 1100 , little to high for veg stage but not signs of bourning or so .... shoud I keep it this way?

AndymORA said:

PPM are about 900 and 1100 , little to high for veg stage but not signs of bourning or so .... shoud I keep it this way?

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I'll copy what I posted elsewhere on this same issue:

High ppm actually slows plant growth down, since the plant doesn't drink as much, therefore not taking up the amount of calcium and other things it needs. Calcium is the big one though, and is uptaken totally passively, which means only through transpiration. So if your humidity is too high, or your ppms too high, the plant won't transpire enough and it can slow to almost nothing.

Try watering it down a bit, say to 600 or so, you might be surprised at how much they like it.

DrBlaze said:

I'll copy what I posted elsewhere on this same issue:

High ppm actually slows plant growth down, since the plant doesn't drink as much, therefore not taking up the amount of calcium and other things it needs. Calcium is the big one though, and is uptaken totally passively, which means only through respiration. So if your humidity is too high, or your ppms too high, the plant won't respire enough and it can slow to almost nothing.

Try watering it down a bit, say to 600 or so, you might be surprised at how much they like it.

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ill do that right away !!! thank you again !!!