Dannyl05 Posted February 19 Share Posted February 19 hi I’m new on here. I’m running mars hydro setup temps and humidity all under control. I’m in middle of week 7 from germ (week1 almost 2flower) and I’m growing 3 autos in 5g pots in coco im using terra aquatica 3 part nutes and cal mag I think last week I over fed a little because tips started to burn so I only gave water for 2 feeds so they where off the nutes until yesterday which I only gave them 1/2 recommended dose. Came to check on them today and they are starting to go very yellow especially the one at the back on right. Ph is normally between 5.9 & 6.1 any advice will be greatly appreciated Link to comment Share on other sites More sharing options...
Norbinyo Posted February 19 Share Posted February 19 @Shumroom if i remember well he growing in coco but i think soon be you will got answer from someone here 1 Link to comment Share on other sites More sharing options...
BilgePump Posted February 19 Share Posted February 19 Id say they're hungry. I don't see any heat source in yer environment, that might be affecting how your plants are up taking any feed you do give them. 3 Link to comment Share on other sites More sharing options...
Dannyl05 Posted February 19 Author Share Posted February 19 1 minute ago, BilgePump said: Id say they're hungry. I don't see any heat source in yer environment, that might be affecting how your plants are up taking any feed you do give them. Hi there’s a heater in there white one at the back temp is 24c and humidity 45 Link to comment Share on other sites More sharing options...
Herbal Kint Posted February 19 Share Posted February 19 Looks hungry,you got EC pen? 1 Link to comment Share on other sites More sharing options...
mr rhino Posted February 19 Share Posted February 19 They look hungry to me 1 Link to comment Share on other sites More sharing options...
Shumroom Posted February 19 Share Posted February 19 Never give just plain water to coco, unless you’re in the final week Have you measured the runoff EC to compare with what’s going in? If you’re growing under LEDs, you’ll want to increase the lights on temperature up to at least 28C, my extraction fan only speeds up at 33C. What power are you running your light at? How far at the lights from the top of the plants? If you’re having issues, starting a grow diary and folks will try to keep you on track for a decent harvest Also for growing under LEDs it’s definitely beneficial to use under pot heating/heat mats with heat a controller Atb Atb 1 1 Link to comment Share on other sites More sharing options...
golf.007 Posted February 19 Share Posted February 19 I don't know that nutrient line these days but is the terra not for soil? Looks to be alot of perlite in the mix not enough coco to hold onto nutrients so you will have to feed more often. Link to comment Share on other sites More sharing options...
MistYGr33n Posted February 19 Share Posted February 19 could also be down to them stretching, i feed grow nutes for weeks 1 and 2 of flower. Lack of N maybe? The fact that the same thing is happening to all 3 says nutrients to me. Link to comment Share on other sites More sharing options...
lildaveham Posted February 19 Share Posted February 19 Hungry as said and if they are just starting to flower they need some food for all the growth they are putting on. If you over feed just feed half strength and build it up again. Also as mentioned 24c is a little on the low side and if that’s air temps the. It’s likely to be 5c lower in the pot. Link to comment Share on other sites More sharing options...
Farang88 Posted February 20 Share Posted February 20 Get yourself a laser thermometer, for led try aim for leaf temps around 28-29 Celsius. Link to comment Share on other sites More sharing options...
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