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Yeah, a dual spectrum Sun Master would be excellent for your grow. I would use that instead of the CFL's and you will see better growth in the veg stage. Definitely put that 600w dual spectrum to good use, but make sure that your veg room has good ventilation so that you don't run into heat problems.

Dolomite Lime is used to lower your PH in soil, but I don't believe that you can use it with a hydro garden. It's best to just balance with some PH down in your case.

the veg room is only 75cm x75cmx160cm is that too small for a 600?
also one of my plants are showing a different sign now will take pic n post in a min

My tent is roughly the same size as yours, 3x3x5', and I am running a 400w MH/HPS light. You can get away with a 600w light if you have excellent ventilation in your grow room.

ventilation would be an issue
how ever could you tell me why my nute prob aint getting any better i just been feeding it pure water at 5.8




And could anyone tell me what this is ?

Yeah, your nute problem is getting worse in that plant. Hydroponics can be tricky because nute burn is easier to get than in soil. When you do feed, you should only be using 25%-30% strength of your nutes. What kind of nutes are you using and what is your feeding schedule?

Both of your plants are suffering from nute burn. Before you flush, can you do a transplant to another hydro system? If not, then I would recommend doing a flush on the first plant, and stop all nutes on the second plant. You should know that not all plants come back from a flush. What you are doing is basically drowning your plants to get rid of the excess nutes. If you need the steps to follow for a flush, just let me know.

i changed the feeding schedule when u told me i now only feed twice a day for 5mins with 5.8 water and nutes at less the 1/4 strength. i use dutch pro and was following their plan

also would like the proper way to start seeds i can germinate to get the roots but after do that and plant the, i put them in darkness for 48 hours till they sprout?

MidnightJoker said:

I really think you have done all that you can do at this point. Don't feed the plants more or you risk getting nute burn on top of the heat burns. You can cut the tips off of the burned leaves to help them recover faster.

I would say the healthy plant looks very good. Just give the rest of the plants some time to recover. Your grow is not lost so don't worry.

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MidnightJoker said:

MH is Metal Halide. It is a light that has more of a blue spectrum which is used for vegetation growth. You will see nice bushy growth with MH, but only if your ballast supports it.

IMO, since you just fed yesterday, lay off the nutes for a week and water only. The nute burn I saw wasn't sever enough to warrant a flush. But if the plant doesn't look like it is recovering in a few days with just water, then you will have to flush. If you can get a hold of something like FoxFarm Sledge Hammer, then use that for a flush. I know you are in the UK, so I don't know what the availability is of Sledge Hammer, but you can also flush with just plain PH balanced water. But you need to know that a flush is always used as a last resort when all else has failed, so that is why I recommend waiting a few days to see if your plant will recover.

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Wrighty, I'm sorry , but I never said feed twice a day. I said to stop all feeding for at least a week on your plants with the nute burn. I think I have found your problem right there. You should not be feeding for at least a week.

I am not sure who told you to feed twice a day, but that is completely wrong. You should be feeding twice a WEEK, not twice a day. That is why your plants are having such severe nute burn and not recovering, my friend. I can't find the Dutch Pro website to get their feeding schedule, but I am almost positive that their schedule says to feed twice a week as well. If you can, please provide me with a link that shows the Dutch Pro feeding schedule.

I hope this clears some things up for you. Stop feeding all of your plants for a week, and when the week is over, resume feeding twice a week.

thanks i will do that

Good luck, bro. Keep me updated on your plants progress.

could u tell me the correct way to help seeds sprout also

There are several methods to germinating a seed, but I like this method and I have had a 100% germination rate with it so far.

1. Place your seed in a shot glass of water over night in a dark, warm place. I usually have it in the water for about 14-16 hours. You may or may not see the tap root after doing this.
2. Get some paper towels and wet them with some water. Place your seeds in the middle of the paper towels and fold the paper towels over so that the seeds are fully covered.
3. Place the paper towels in a warm, dark place. Make sure to check on the paper towels and keep them damp, not water logged. After a day you should see the tap root sticking out from the seed.
4. Once you see the tap root protruding from the seed, you can then transplant the seed to a rooting cube. Something like These will be fine for growing the seedling.
5. Once the seedling's roots are coming out of the bottom of the rooting cube, then your seedling is ready for transplanting to your final grow medium.

Do not feed the seedlings in the rooting cubes, only water and enough water to keep the rooting cube damp, not water logged.

Let me know if you have any questions.

do u put the rooting cube in a dark place or sumwhere with light thanks

When you have the seed in the rooting cube, take a chunk of the rooting cube to LIGHTLY cover up the hole so that air does not get to the root. Then place it under a light. The light at this point can be a small CFL, the sun or I actually use a regular light to grow my seedlings.

i use jeffeys normally leave them in a dark room for them to sprout but didnt know if i was doing this right

I would use the paper towel method and then transfer to the Jiffy cubes and put them in light. If you want to skip the paper towel method and just do it from Jiffy, then place them under some CFLs.

i do the paper towel then transfer to jeffeys then under cfl thats wot i will do thanks

Not a problem. Good luck with your plants and germinating.