Need Help

Hello all don’t know what’s going on lost 4 last one turning yellow I’m following “dyna grow” instruction for a 5 gallon holding tank, light is a 300watt full spectrum led. The feed cycle is 15mins every six hours plant is in a Rockwool starter cube inside a Rockwool 4in cube surrounded in clay pebbles, there is a bubbler in tank and ph. is 5.7 to 6.0. Also the light is 22in from top of the bucket, I did have a 1000watt Hid (MH) lamp but heat in room was too high with it on.

rick_ca said:

Hello all don’t know what’s going on lost 4 last one turning yellow I’m following “dyna grow” instruction for a 5 gallon holding tank, light is a 300watt full spectrum led. The feed cycle is 15mins every six hours plant is in a Rockwool starter cube inside a Rockwool 4in cube surrounded in clay pebbles, there is a bubbler in tank and ph. is 5.7 to 6.0. Also the light is 22in from top of the bucket, I did have a 1000watt Hid (MH) lamp but heat in room was too high with it on.
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Over watering. Water one 15 min cycle every day or possibly even every other day

Thanks Airwalker switch pump to once a day give it a try

Always helpfull when the title of a topic is 'need help'.

ok think im loosing the final plant put timer on for 5 mins per day check tds,ph etc mixed nutrients as per dyna grow label, now some leaves are turning brown and curling this is my 1st attempt at hydroponics. Might open tent as air temp was 83 today that with exhaust at full speed ???

What's your ec at? Or ppm? Yellowing looks like N deficiency

Bro you fried them ppm is way too high she looks to young to feeding that heavy . I'm in third wee of flower and I'm only feeding900ppm
I'd scarp it and start over. just my 0.02

Its a royal PIA learning LOL guess you dont trust everything you read on labels of products

For a plant that size you only need an ec of 0.3 or so. I'm not familiar with your setup, but in DWC I add the nutes slowly...over a couple of days....built up to my target ec. watch the plant for changes after you feed it. This feeding schedule might help you out with where your ppms should be in a given week.

http://cch2o.com/feeding-schedule/

Thanks for all your help guys fried the last one as ILM posted so here's a question when I do a tds reading here is what I get with plain well water I get a ph 6.6 and a tds 542ppm, is there something I I need to do about this already spent enough on the setup and wife aint to pleased with me LOL. Also I know its early August and I only have about 3 months before the weather drops here in Canada is there a recomendation for a growth/strain using it mostly for joint pains.

That's high for tap water. That means there are already a lot of ? Minerals in your water. I use a tall boy garden filter with an reverse osmosis attachment. http://hydrobuilder.com/tall-boy-de-chlorinator-sediment-filter.html?dzid=csegps_HL31050&gclid=CMKa-PiDrs4CFReUfgodUSANPA

RO water has an ec of 0.

You can also buy RO water from an ice house or grocery store

Boom i need to try talk wife into adding RO system for drinking purposes LOL, but untill then any other surgestion as I cannot find a local supplier of RO water

You could use distilled water from the grocery store. but you will have to add cal-mag because distilled water has 0 base minerals. Add the cal-mag to the water first at 25 - 50% of the recommended low does and then add the other nutrients at the same 25-50% ratio for you seedling. You can slowly raise the amount after you see your plants are consuming the nutrients at a regular rate. I change my water out about every 10 days with fresh nutrients. check and chart your activities everyday. This helps you to keep track of feeding, water changes, days in the cycle, ph, temp etc... This has worked for me.

until you can get an RO about the only way is distilled. Try to add just 100-200 above tap for when they are that small.

rick_ca said:

Boom i need to try talk wife into adding RO system for drinking purposes LOL, but untill then any other surgestion as I cannot find a local supplier of RO water

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RO systems arent as expensive as they used to be, I picked up mine for 160 bucks screws into the sink or hose, https://www.amazon.com/ActiveAqua-Reverse-Osmosis-System-Germination/dp/B00D4MYHNC/

Makes the best coffee/tea too