Haveing troub bright yelow spots turning brown. soil grow

Been reading for the last 2 weeks on problems it may be but cant pin it.

1 plant White Poison its 1 month old now 2" tall
Got it form a friend as a seedling, neglected showing yellow leaves. it was in regular potting mix.
Transplanted it into 4lt/1.06 gallon pot Soil with blood&bone mixed in down the bottom and regular potting mix on top.
1m-1m-2m milar grow room
1*130w CFL 6400k 3" from plant
well ventilated, fan blowing on plant
at the start of the grow using tap water left out for 24h PH was around 8 the soil was low 6
now I have adjusted the water to PH 7
been watering every 3 or so days when i try ed to let the soil dry an inch or so down the plant started to droop the i watered it and it came good.
No Nutrient's put in yet.

Help Please any Advice

Temp 78-82

Are you watering with excessive hard water ? Yes you are at 8.0 . I dont think your 7 is acurate as they look hit hard by high ph

soil ph is low. sprinkle garden lime over the soil and water down next time you water

Ph is high lower to 6.5 and feed them they are little for there age, can see a little yellowing probably needs some npk in it's life!! Good luck

yeah they got 8 for 3 weeks got a Ph tester a week ago should I drop it to 6.5 on my next water/feed

Because you ph is high I would drop you water to 6.2-6.3 and flush well. Run a lot of wate thru the pot and let her dry very well

I would get it to 6.5 ASAP.

Just use tap water fill some jugs up with tap water and let it sit out for 24hours and give them that. Should be fine after you get it down do that. I've done it since I started growing and I don't even use a ph and everything been good no problems...

Sweet as, Gave them a good drink 2 days ago of 6.5 letting dry out then will keep watering with 6.5.
so my soil is 6 should i wait till they improve before rasing the Ph a bit?

like i said earlier, top dress with ome garden lime and water down, ph will stabilise

Yeah Rad, iv got the garden lime but because it was hit with such high water for so long, should I wait till the plant looks a little better or adjust the soil now.

If your at 6 your good just stay in between 6.0 6.5 you'll be good. If your there no need to add anything .

Skatesmoke said:

Sweet as, Gave them a good drink 2 days ago of 6.5 letting dry out then will keep watering with 6.5.
so my soil is 6 should i wait till they improve before rasing the Ph a bit?

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does your mix have lime?

Na I havent put lime in.

Cheers for the advice bro.

Skatesmoke said:

Yeah Rad, iv got the garden lime but because it was hit with such high water for so long, should I wait till the plant looks a little better or adjust the soil now.

Click to expand...

the lime will take a good few days to start fixing things (depending on the type) but will bring it closer to ph closer to 7.