Stella's Grow Juice  Is your grow juice chart for ebb and flow systems, as well as the bubbler system. I think the GH chart has different amounts, depending on what system ...

Why won't vinegar work?  Regarding your current issue on pH. Why is it that vinegar will not work in the long term? I have water with a PH of 7.4 and everybody is using nitric ...

How Much Light  Newbie here, how long do I keep the light on when starting seeds? Also, should I use a nutrient solution for them or just plain water.

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Tomatoes dying... any ideas?  I'm new to this and have a problem. The tomato plant (12") I have is healthy on top, but the lower limbs continue to die off from the end toward the stem....

"Topping" a tomato plant  Is it true that when a tomato is "topped", it produces more abundantly? If so, what is the most advantageous height? Also, in your site you state that ...

A question on inputting air to the plant roots  I have a 30 gallon resevoir with 4 five foot, 4" pvc pipes connected to it. These pipes contain my pots & growing medium, with a pump within the resevoir ...

Hydroponic/cold frame?  Well, the last two years I have been on a few missions trips to Northwest Mexico in the mountains of the Chihuahua State. The mission group is ministering ...

Sure To Grow?  I was wondering if you have tried the newest medium on the market. The Sure to Grow (STG). I have began using it and it is by far the best medium on the ...

Where can you get an airstone?  Where do I buy the airstone????? It is like driving a car with no windshield...There's just something missing!

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Pythium  I started using a UV light to kill this bacteria on my lettuce and had some good results, but a few weeks later my lettuce started turning yellow. does ...

Help With Kohirabi  I don’t know if anyone can answer this question, but I’ll ask anyway. I’m growing Kohirabi, and I was wondering about light and nutrition. Kohirabi does ...

brown around the edges of the leaves...?  Hi i have a 3by3by6 grow tent with a 400 w mh hortoluv bulb proper air flow with a aeroponics media. everything is growing well but i noticed today brown ...

Growing broccoli and strawberries indoors  Hi Stella,

Things are going great here with some herbs, tomato, pepper, lettuce and cucumbers etc. I have enclosed several pics of my current indoor ...

Problem: Plant roots submerged for extended period of time  I use an ebb and flow bucket system for my plants. I woke up this morning and realized that yesterday I stupidly I forgot to plug in the pump that drains ...

Cherry Tomatoes Won't Ripen  We have a problem with Cherry Tomatoes. The tomatoes are big and doing very well but it has not ripened yet. What could possibly be the reason why it ...

A big bato garden  Can we expand your bato box system to hold 12 boxes rather than three....thank you

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Sediment in tank?  Thank you Stella/Simon for the advice on adding nutrients for my granddaughters science fair project, but have another concern. Should explain the dwc ...

Science Fair Project  I am helping my 8 year old grandaughter in a science fair project. She wants to see which growing system produces larger and faster yields, soil vs hydroponics....

Tomato droop  my tomato plants start off great and just before flowering begins, leaves begin to droop and curl downwards like an arthritic hand, sometimes worse than ...

Indeterminate Tomatoes  I am looking for indeterminate type of tomato that will not get too tall. If this does not exist, can tomato plants be topped to keep them at an acceptable ...

Root mold  Some of my plants roots seem to be molding before they reach the water. I'm talking about the roots coming from the side of the net pots in particularly....

Just What Is Needed!  Just wanted to say that your site is exactly what is needed. You take a stand and say "This works". That's my approach at my job. The other info is 2 vague ...

LEDS & CO2  Hey man stumbled across your site while looking at the aquatek co2 regulator I just bought. I saw you had a section on lighting and since I have been using ...

Removing unknown nutrient from hydrotron  I am trying to clean a hydroponic growing medium called hydroton, (a clay pellet heated and expanded to created small air pockets). I THINK Hydroponic ...

Lighting for Lettuce  Stella,
Can I use a regular floresent light for lettuce type veggies?
Thanks, Earl

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Truncheon use and PPM  I just bought a Bluelabs truncheon to test my nutrients. I have gone online and found all sorts of suggestions for a good ppm range for the stuff. Can ...

Germination to transplant time?  When you germinate seeds, how long should I leave them in the propagation trays before I move them to their permanent home. My name is Jeffrey, I just ...

Vertical Garden?  Hi, love your site, keep up the important and informative work. Could you please offer me advice on growing vertically or making a vertical system? I ...

Timing Ebb & Flow System  I just made an ebb and flow system from a design I saw a picture of. My question is, how often should I run the pump ( 2,3,4,5,etc times a day)? I am ...