PERLITE

[UBENHADD]

HI ALL: I forgot to ask about the ph of perlite vermiculite 60-40 mix, im in 24 qt. sq.pots, do I use soil or hydro ph. levels? And when do I start to feed them and about what strength, I thought 400-500 would be a good start for the first week. They are under 400w mh. room temp 73-80 RH 48-55, the plants are Snow white, and Crystalberry. I really need these to go as they will be my mothers. and btw. im using seed grow. If you need more let me know. :whistling

 

Back to my bowl.

[Tom]

If they are in a recirculating system (vermiculite shouldn't really be in the mix) you want a PH of around 5.5, if in a run-to-waste system then you want around 5.8 - 6.2.

 

And when do I start to feed them and about what strength,

If the seedlings are only a week old then run them on 1/4 strength for a week then bump them up to 1/2 strength, if they handle that without any trouble for a few days work them up to full strength over the next week.

 

[UBENHADD]

They are in a poy sitting in a tray for hand watering, I will add nutes to the tray and let it wick up. The sprouts just came up tonight, I use BC nutes and it says 700 full strength. So i'll use 1\4 of that for a week the bump it up?

Allso I only want to use boost as it has no potash in it, reason is im trying to get 90% female to male ratio. This will be for 4 weeks only then I can use grow and boost.

 

Thanks much Tom :thumbsup

[Tom]

The sprouts just came up tonight

Keep them on just ph corrected water until their first serrated leaves have developed.

reason is im trying to get 90% female to male ratio.

That all depends on the seeds, you need to keep an eye open for hermies too.

 

[Tom]

Additional: I would start off with a PH of 5.8 and see how they like that.

 

[UBENHADD]

Thanks again Tom, I really appreciate the help. :thumbsup

[Tom]

Thanks again Tom, I really appreciate the help. :thumbsup

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No worries mate, keep us posted on how they go.