M
Moses249
- Posts
- 99
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- 105
- Joined
- Sep 7, 2011
- Points
- 33
room info
45x36 room. 24 gavitas set to 1000. sealed room. central air. flood and drain trays. 2 300 gallon reservoirs feeding the tables. co2 (1200 Ppm). Flood 4 times during lights off 0 times when lights on. Ppm 1000-1200 depending on week target ppm goal. ph 5.5-6.5. advanced nutrients, current res is silica, cal-mg, overdrive, nirvana, b-52, micro grow bloom (silica always added first). I change the res every seven days and the day before the res change i use hygrozyme to try and clean the system. No spider mites or other bugs i am aware of though there is a bunch of springtails that hang out in my trays. room temps 78-84 lights on 68-73 lights off. humidity lights on under 40 lights off about 65.
This is my first grow using gavitas and the lights aren't that far off the top of the plants because i just flat out don't have the ceiling height. in certain cases they are maybe one foot away from the top of the plants.
in the last ten days (today is day 40 of flower) or so many of my plants have started to yellow from the top down. additionally the salts in my reservoir is rising every single day. two days ago when i left the ppm was 980, today when i came back the ppm was 1100. (This rise in salts has been going on for at least a week) obviously the plants had used water and some of this is explainable because of water concentration but this coupled with the yellowing has me hella worried. additionally it seems like the plants just aren't doing all that well (and looking well) and that growth has slowed to a crawl. Thoughts on what i should do? i was thinking drop the reservoirs go straight r.o. water for a couple days then a fresh reservoir with weaker ppm level? or should i run some sort of cleaner clearex? or flora kleen or something?
45x36 room. 24 gavitas set to 1000. sealed room. central air. flood and drain trays. 2 300 gallon reservoirs feeding the tables. co2 (1200 Ppm). Flood 4 times during lights off 0 times when lights on. Ppm 1000-1200 depending on week target ppm goal. ph 5.5-6.5. advanced nutrients, current res is silica, cal-mg, overdrive, nirvana, b-52, micro grow bloom (silica always added first). I change the res every seven days and the day before the res change i use hygrozyme to try and clean the system. No spider mites or other bugs i am aware of though there is a bunch of springtails that hang out in my trays. room temps 78-84 lights on 68-73 lights off. humidity lights on under 40 lights off about 65.
This is my first grow using gavitas and the lights aren't that far off the top of the plants because i just flat out don't have the ceiling height. in certain cases they are maybe one foot away from the top of the plants.
in the last ten days (today is day 40 of flower) or so many of my plants have started to yellow from the top down. additionally the salts in my reservoir is rising every single day. two days ago when i left the ppm was 980, today when i came back the ppm was 1100. (This rise in salts has been going on for at least a week) obviously the plants had used water and some of this is explainable because of water concentration but this coupled with the yellowing has me hella worried. additionally it seems like the plants just aren't doing all that well (and looking well) and that growth has slowed to a crawl. Thoughts on what i should do? i was thinking drop the reservoirs go straight r.o. water for a couple days then a fresh reservoir with weaker ppm level? or should i run some sort of cleaner clearex? or flora kleen or something?