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Back to Grow Questions
Steve656
started grow question 4y ago
Hi I'm just setting up an gt205 nft hydroponics system and I was wondering what the ideal ph range was for hydroponics
Solved
Feeding. Other
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gottagrowsometime
answered grow question 4y ago
You want set it at 5.5 and it'll quickly climb up and try keep it below 6.2. Ideal is between 5.8-6.2 but you can safely be within 5.5-6.5 without too much hassle Happy growing.
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Selected By The Grower
GrowingGrannie
answered grow question 4y ago
What
@gottagrowsometime
said!
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Similar Grow Questions
Solved
Mattuston
Bionova Vitasol use
Hi. I have Bionova Vitasol but until today I have not found a clear explanation on its role and its use? when, how and why do you use it? thank you in advance.
Week 12
Other. General questions
Feeding. Schedule
Feeding. Other
6y ago
1
1
Solved
Reaper
why does my ph drop from 6.0 to 5.3 (in a week)? also why do my roots have a brown color? they arent slimy and no smell, i heard this is because of GHE nutes. should i be worried ? as u can see the plant looks healthy but doesnt grow too fast right now.
Week 5
Feeding. Other
7y ago
2
2
Solved
Mr_BFL
NPK for last 2 weaks
It's the end of week 6 now. There will be 3 photos : 1 photo current nutrition 2 photos food option No. 1 3 photos food option No. 2 Need advice on which npk to end the cycle.👆
… Show more
Feeding. Other
4y ago
2
Solved
TheGreenGhost
pH woes. To water or not to water, that is the question.
The tap water I've been watering my plants with is very alkaline, the pH came out to around 10 when I measured it with a digital reader. Should I water it again with pH adjusted water early or wait until the soil dries out to avoid overwatering? Soil and nutes pH was ~8.6.
Week 3
Feeding. Other
4y ago
2
2
Solved
Shags212
Alternative to Canna boost?
Ok, so I've used canna pretty much the majority of the time I've grown cannabis in coco. However i'am looking for a cheaper/better alternative. Any advice on what is best for flowering nutrition?
Week 4
Buds. Other
Feeding. Other
5y ago
2
1
Solved
Smelgendropenhausen
Best soil for hesi
Whats the Best soil for hesi fertilizers? Ive bought some soil for house plants in my local gardening center and i think its no good for the weed, what do you suggest, best option would be amazon because i have no paypal
Other. Other
Plant. Other
Feeding. Other
3y ago
1
5
Solved
LittleManSmokingWeed
How to know the PH without PH tester
Hey guys ! i juste whant to know if you can grow a full autoflower from start to finish without testing the PH in you water :) I have no way to mesure my PH, and i dont use any liquide nutriments, or PH solutions. I have BioBizz Soil Light Mix. Is it a probleme not now the PH ?
Feeding. Other
6y ago
3
3
Solved
August_Westeros
Does low ph runoff need attention?
The ph run off of my plants has been consistently low, ranging from 5.5 to 6.0. Should I be concerned? The soil is Fox Farms Ocean Forest. The plants are OG Kush and Gorilla Zkittlez Autoflower. I’m feeding them straight tap water with a ph of 7.5-8.0.
Week 6
Feeding. Other
4y ago
5
3
Solved
BonjaMan
Fertilizer Switch veg ->flower
When should i Switch the nutrients? She been have the white hairs since yesterday, i kept her Feeling with bio grow and root juice. I already vought my bio bloom, would u recommend something else ? How does she seem?
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Week 7
Plant. Other
Feeding. Schedule
Feeding. Other
6y ago
1
2
Solved
Rastaman22
What’s happened to my plant
Are these ok, 1 looking burnt and the other has a white line through it? Feeding only bio grow 2 Ml currently with litre of water twice - 3 times a week based on feel and dryness growing. Also when should I start giving bio bloom n top max, am I using as soon as pistils show
Leaves. Other
Feeding. Other
5y ago
2
Solved
Lovemabud
2 days without a feed during week 7 of flower
A forward planning grow question. During Week 7 or 8 of flowering I will be away for 2 days. Looks like my babies may not get a feed for about for about 40 hours. I'm growing in 70% coco coir 30% perlite. Will the plants get through even with only minor impact?
Feeding. Other
3y ago
8
7
Solved
Philindicus
Foilage feeding during veg
Wondering how many growers are using foliage feeding during veg and can you recommend how strong of a nutrient mixture I should use?
Week 1
Feeding. Other
6y ago
1
6
Solved
Salazar420
AN nutrients
another doubts friends. about AN nutrients.site says to use sensi bloom during the 1 to 6 week of flower 4ml per liter. but I heard some people say that it uses the 4 to 9 flower stage! what would be the right way?
Feeding. Other
6y ago
2
2
Solved
CheesePlease
flushing agent
What is the best flushing agent to use on the market?
Week 8
Feeding. Other
5y ago
2
1
Solved
BluntsOnly
Compost Tea
How much compost tea should you apply per plant? I have mine in 5 gallon fabric pots.
Feeding. Other
3y ago
2
2
Solved
Wilflay
C02 exhaust bag
Hi. I wanted to know if adding a CO2 exhaust bag in a small grow tent (60x60cm) is effective for overall growth? I'm European and most off my pairs said it was useless but the topics dated from 2010s and I couldn't find current definitive argument so... here I am.
Leaves. Other
Feeding. Other
6y ago
4
3
Solved
Screwie
Watering bottom up?
On my Sohum soil pack it says for flowering to water bottom up. Is this as simple as filling a container of water and submerging the plant, instead if watering manually from top down?
Feeding. Other
5y ago
2
2
Solved
BobGoose
Reverse osmosis
Does anyone recommend a Reverse Osmosis filter? What are the advantages and disadvantages? Currently my tap water is 0.8/0.9 EC so not sure what I'm feeding my plants Any advice is greatly appreciated Thanks
Feeding. Other
5y ago
3
Solved
Ecogeek
2feed or not 2 feed
Wanted to know if I should feed my girls any additional Nutrients since the soil medium advertising that it can feed plants up to 9 months (half Vigoro half fox farm) I don’t want to over feed or risk Nutrient lockout.
Feeding. Other
6y ago
3
3
Solved
jamjam887766
When to start flushing
Should I stop adding nutrients and just give the plants plain water now? I'm in Week 8 and many of the FastBuds Pineapple Express Auto grows I've seen harvest around week 10. Would switching to just water be a sufficient flush?
Week 7
Feeding. Other
6y ago
1
2