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I have been reading different things about PH for a soilless mix. Say using Pro-mix soilless mix what would you want your water's PH to be at?

Medium is Pro-Mix soilless mix.

Do you adjust the water with a PH down? I'm still not understanding the flushing prior to harvest. By flushing do you mean: a) watering with plain ph adjusted water b) flushing with plain ph adjusted water(meaning if using a 5 gallon pot, flushing it out with 10 gallons of water) Thanks.

1. I have a feeding program that came with my product but it doesn't have a frequency on it. Should I be feeding with every watering? 2. When flushing the plants 1 week before harvest do I a) Water with plain old water b) Flush with plain old water(2x the amount of water than the size of...

Thanks for clearing that up for me. So back to my original question. While in vegetative if I let males go a few extra days but never put them into flowering, can they pollinate?

Anyone? Can you tell me if you can see the sex during veg or it doesn't show it's preflowers until flower stage?

Maybe this is where I am at a misunderstanding. Will they show pre-flowers during the vegetative stage? I was under the impression that they will.

Anyone else have any solid information on this matter?

Being a newbie how can I tell if they are 1 week away? Or is that impossible?

Can pollen sacks open before you start the flowering stage? If you were to veg for a long time can they open in the vegetative stage?

How can I tell how long these WW will take? The flowering time is 8-10 weeks. This confuses me because I'm trying to plan on harvesting by a certain date(before vacation). As well how will I know when to flush if I don't have a better idea of a finishing date?

Thanks for the reply!

Thanks for the replies bud =D The water is 6.7 ph. I haven't tested the soil. Should I? Can I use my ph probe in the soil?

Ya i have a fan blowing directly into the space between the plant tops and lamp shade. The temps are 75 not in direct light., I'm taking temps right outside of direct light. Humidity was low at first around 46 but I was able to increase it into the 50s with a humidifier. The only other...

My dynagro will be in in just a few days so I will start feeding them. It's a grow from seed. I had them under cfl's for 2 weeks then put them under the 600 MH. They were fine under the MH for the first few days but then they have started going yellow. Not sure how far away I am from the...

I'm using pro-mix and my PH is around 6.7

I haven't measured how much water I give but they are in the red beer cups right now. I give them a good soak 2x in a row till some water makes it way out the bottom. They are nice and light when I pick them up. They get light and dry about 40-44 hours after watering.

I've just diagnosed my problems as a watering issue. So let me ask you guys how often you water. I have been watering every 2 days. I'm in my 3rd week of vegetation. My lower leafs have been turning yellow when they were originally a dark green. The yellow is now slowly working its way up...

In my area I can only get 46% RH at 76 F. I know they like humidity around 60-65% RH. Will the lower humidity stunt growth?