Ebb&Flow Growing question

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Fiete

Well-Known Member
Hello,

I Plan to Set up a ebb'n'flood system but I didn't know how high the Tank has to be? I want to place it outside. The question is can the water what's coming back to the Tank climb up a bigger tank container than the Flood Table is? Maybe the Flood Table is 30cm in hight can the Tank container has maybe 50cm ore higher? I don't think the water can reach that level in hight when it goes out with a tube. The intake water coming with a Pump but the water what will running in the outcome tube maybe has not enough power to go in the tank?
 
F

Fiete

Well-Known Member
Jjgrow420 said:
Ebb and flow
Flood and drain
Yes you need pumps it doesn't automatically siphon itself uphill.
Click to expand...

The pump flood it in the table no problem but what is with the other tube it has to go outside of the tent but how can the water climb to the tank back?
 
Jjgrow420

Jjgrow420

Well-Known Member
Fiete said:
The pump flood it in the table no problem but what is with the other tube it has to go outside of the tent but how can the water climb to the tank back?
Click to expand...
You need to drain it into another res and pump it back through or run a pump on the exit line that turns on when it floods.
 
F

Fiete

Well-Known Member
Jjgrow420 said:
You need to drain it into another res and pump it back through or run a pump on the exit line that turns on when it floods.
Click to expand...

Shit that sound complicated in don't have the space to have multiple res for that stuff... Than i think I try another system drip to Waste ore so?
 
calvin.m16

calvin.m16

Well-Known Member
Fiete said:
Shit that sound complicated in don't have the space to have multiple res for that stuff... Than i think I try another system drip to Waste ore so?
Click to expand...
Are you set on using rockwool? I would look into Halo Drippers, put the pump in your reservoir and figure out how long you need to run the pump for slight runoff and repeat. They connect using simple 1/2" tubing and barbed fittings, elbows etc. Much easier. "DRIPPERS" typically require a strong pump due to requiring PSI vs GPH unless you're only running a few plants and are a bit more suited for commercial setups with hundreds of plants.

When I attempted Ebb & Flow table I just put a large reservoir beneath the table, plumbed a pump into it going up on one side and had the drain hole drain back down into the reservoir, drill a hole in the reservoir as low as possible for a drain for changing nutrient solution then to top off instead of moving the table off the reservoir I would just dump 5 gal at a time of nutrient solution right onto the table and let it flood down normally.

Hopefully that makes sense. I personally do not prefer rockwool or ebb & flow I prefer top feeding.
 
Thundercat

Thundercat

Well-Known Member
I ran flood and drain for 10+ years with hydroton in plastic pots it works AWESOME. YOu put the reservoir under your table on the floor. Outside the tent would be fine but you want it below the flood table. That way you can pump your water up into the table and have it gravity feed back into your reservoir. There is no need for 2 res, or pumps. If you can put the res right under the drain port, you don't even need hoses on it. You can let it waterfall from the drain port into the res and that will provide you all the aeration you need for the water too.
 
F

Fiete

Well-Known Member
calvin.m16 said:
Are you set on using rockwool? I would look into Halo Drippers, put the pump in your reservoir and figure out how long you need to run the pump for slight runoff and repeat. They connect using simple 1/2" tubing and barbed fittings, elbows etc. Much easier. "DRIPPERS" typically require a strong pump due to requiring PSI vs GPH unless you're only running a few plants and are a bit more suited for commercial setups with hundreds of plants.

When I attempted Ebb & Flow table I just put a large reservoir beneath the table, plumbed a pump into it going up on one side and had the drain hole drain back down into the reservoir, drill a hole in the reservoir as low as possible for a drain for changing nutrient solution then to top off instead of moving the table off the reservoir I would just dump 5 gal at a time of nutrient solution right onto the table and let it flood down normally.

Hopefully that makes sense. I personally do not prefer rockwool or ebb & flow I prefer top feeding.
Click to expand...

I will do top feeding too know new plan... But I didn't know what I have to buy yes a Strong pump maybe 2500 liter per Hour are good?
 
F

Fiete

Well-Known Member
Thundercat said:
I ran flood and drain for 10+ years with hydroton in plastic pots it works AWESOME. YOu put the reservoir under your table on the floor. Outside the tent would be fine but you want it below the flood table. That way you can pump your water up into the table and have it gravity feed back into your reservoir. There is no need for 2 res, or pumps. If you can put the res right under the drain port, you don't even need hoses on it. You can let it waterfall from the drain port into the res and that will provide you all the aeration you need for the water too.
Click to expand...

Hi, I only can put a 45 liter tank under the Rack I don't thinks it's enough? Tent size are 80x80x160cm
 
Thundercat

Thundercat

Well-Known Member
Fiete said:
Hi, I only can put a 45 liter tank under the Rack I don't thinks it's enough? Tent size are 80x80x160cm
Click to expand...
I ran a 40ish gallon reservoir for a 4x4 flood tray. It was enough water I could leave it a few days without worrying about it getting out of wack or running dry. I once went on vacation for 9 days and came home to surprisingly happy plants.

you can put the res outside the tent like I said above, it just has to be below the flood tray. I had a buddy that ran hoses out to his res It worked fine.
Either way the bigger the reservoir the less nutrient and temperature swings you will have.
 
F

Fiete

Well-Known Member
Good morning,

I will give Ebb&Flood a try why not? I try a 45 Liter Tank underneath the Table with a not high EC and look how it works. I remember Pepole told me not to watering Coco without runoff but I don't do runoff for the first weeks without problem no high EC in the runoff so wrong Infos about that later on yes but I never had a high EC in the drain because I don't feed a lot and the Coco has great Quality! I will give it a try and find out how this system works if it's realy bad because if pH problems I can use other methods but why invest know in a diffrent system maybe it will work also with a 45 Liter Tank.
 
Budley Doright

Budley Doright

Well-Known Member
Thundercat said:
I ran flood and drain for 10+ years with hydroton in plastic pots it works AWESOME. YOu put the reservoir under your table on the floor. Outside the tent would be fine but you want it below the flood table. That way you can pump your water up into the table and have it gravity feed back into your reservoir. There is no need for 2 res, or pumps. If you can put the res right under the drain port, you don't even need hoses on it. You can let it waterfall from the drain port into the res and that will provide you all the aeration you need for the water too.
Click to expand...
That’s exactly what I do, although I keep pump running 24/7 with a fountain style outlet, my tray drain is 4” high with copper screen to mitigate root blockage (somewhat). Works well. I’ve went to strictly outdoor now that I’m semi legal lol.
 
F

Fiete

Well-Known Member
Budley Doright said:
That’s exactly what I do, although I keep pump running 24/7 with a fountain style outlet, my tray drain is 4” high with copper screen to mitigate root blockage (somewhat). Works well. I’ve went to strictly outdoor now that I’m semi legal lol.
Click to expand...

Do you think my Plan will work?

I found this extensions to have more hight https://www.growlocation.de/growrack-modular-0-8-1-0-1-2-extension-set-40

10cm more Hight I belive it's worth to buy what you think
 
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