New Grower My dwc system

[Boradan]

Adding aquamedic chiller, noticed little high temp in water. Aming for 68f.
Hope my cpu coolers comes this week so i can build the light

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One of the main issues with heat is actually the pump.
I will be modifying my system in a few weeks to make the pump external (I think you can do that with the Eheim 1000).
The Eheim 1000 uses 15Watts.
That's 15Watts of heat going into the water 24/7.
Making the pump external will drop that to about 2-3 Watts of heat into the water and the rest will go to Air.

Also, consider getting Mylar reflective tape to stick on the tops of the reservoirs.
2 purposes:
1. reduces light/heat absorbed by the black surface.
2. Reflects light back up into the lower canopy, thus improving the quality of any lower buds (marginal, but still a boost)

 

[Noob72]

One of the main issues with heat is actually the pump.
I will be modifying my system in a few weeks to make the pump external (I think you can do that with the Eheim 1000).
The Eheim 1000 uses 15Watts.
That's 15Watts of heat going into the water 24/7.
Making the pump external will drop that to about 2-3 Watts of heat into the water and the rest will go to Air.

Also, consider getting Mylar reflective tape to stick on the tops of the reservoirs.
2 purposes:
1. reduces light/heat absorbed by the black surface.
2. Reflects light back up into the lower canopy, thus improving the quality of any lower buds (marginal, but still a boost)

Yea i know that pumps im res rasing temps and so on. No room for external pumps, and there is always risk for leaks if u ask me. Chiller sort all the problems for me and I have full controll of the temp. Thx so much for The advice though

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[Noob72]

My PPM is at 300... Gonna change water in The system whitin 2 days... Is it safe to bump it up to around 500? Ph pending from 5.6/6.2. Why is the ph swing like this? I soaked the pebbles in 5.5 ph water for some days

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[Boradan]

pH swings are natural, but my Hydroton gave me a LOAD of issues right off the bat.
pH issues like yours as well as a crapload of sediment in my reservoir despite soaking like you did.
Is your EC changing along with the pH increase?

 

[Noob72]

pH swings are natural, but my Hydroton gave me a LOAD of issues right off the bat.
pH issues like yours as well as a crapload of sediment in my reservoir despite soaking like you did.
Is your EC changing along with the pH increase?

I only mesure ppm and that is same all the time

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[Noob72]

I only mesure ppm and that is same all the time

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Need a res change i i think..... I did a leak test first and that water stood still whitout any oxygen, and I only filled upp the system and dident drain the old water. Stupid, but the plants seems good

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[Noob72]

Some of The lower leafes starting to curl from one side, small yellow dots on some to. Humidity was to low, raised from 10 to Btw 50-70. Air temp 26 celcius and 20 in water. Added 4 more cobs to Day so total 400w. Adding 200w more this week. Changed the water, Added 15 ml of the ghe 3 parts but not the flower. Ph is 6 and ppm 280. Shoud i add more nutrions?
Pumped up the air went to, maybe to bad fresh airintake?

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[Noob72]

Growing like crazy though

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[Noob72]

Total water in system around 80 liter. 15ml nutrions is maybe way to little, on The bottle is says 2.5ml/10 liters and im using around 50% of that

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[Noob72]

Hm feedchart at ghe says different to the bottle. 7.5 ml each gallon. And my is around 22 gallon. So i shoud drop in atleast 30-40ml nutes... 280 ppm is realy low. Im gonna get another problem if i do that, and that is i plants to more little babys yesterday. Crap

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