ph problem with areo cloner

i have a aeroponic cloner. there is no direct light on it at all, as it is on a shelf above the veg light its a T5.
The problem is every time i use it every 2 days i have to lower the PH. I start it off at 5.8 and 2 days later 8.5
Would a cap of peroxide help.

IMHO as long as you have healthy cuttings & clean equipt,
you don't need to worry about PH in an aero cloner.

I use non PH'ed tap water @ 8.5+ with 100% success the last few years,
after I stopped adding hormones, cloning solution, & PH'ing...

healthy
clean
patience

Ph affects nutrient uptake via the roots, in a cloner with just water there is no need to adjust pH, ever.

To explain why you have the pH swings is the nutes have ph buffers and without the nutes there is no way to keep it.

Tap water over 7.5 ph never adjusted, 100% success with 35 site aero rough neck tub. PH is only important once rooted. Happy growing!