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8 votes

Can I tell if a boxed, hydroponic, fly-trap growing kit, made for teenagers, would be reliable?

I would not recommend it, but I think you should ask this question in your siste site: https://parenting.stackexchange.com/. The problem I find with this "gifts": these are very very slow to grow (...
Giacomo Catenazzi's user avatar
6 votes

Why are my vegetable plants in my hydroponic system dying?

Any moist material placed against the stem of a plant can cause stem rot which is why you are not supposed to put material against a transplant higher then the original soil interface with tomatoes ...
Graham Chiu's user avatar
  • 23.4k
5 votes

Importance of night in hydroponics?

It depends on what kind of plants you have, but most plants are used to having a night time period. Exceptions are some plants growing in arctic regions. I think for cultivation under lamps, mostly ...
benn's user avatar
  • 13.2k
4 votes

Important features in an automated grow system

A clean, sterile one use only room for growing anything. The greenhouse environment is more forgiving, the garden can make anyone look successful. Ventilation pumping in and out or a great ...
stormy's user avatar
  • 40.5k
4 votes

Why aren't my hydroponic plants growing well?

In a hydroponic grow system you have to supply all the micronutrients that the plant would normally extract from the soil. Looks like you're only providing magnesium, and nothing else for the roots. ...
Graham Chiu's user avatar
  • 23.4k
4 votes
Accepted

Can I tell if a boxed, hydroponic, fly-trap growing kit, made for teenagers, would be reliable?

I don't disagree with Giacomo's post, except for the quantity of bugs they eat, but I can tell you a little more about this subject. Carnivorous plants are a lot of fun and can be easy to keep. I ...
Dalton's user avatar
  • 5,112
4 votes

How to increase or decrease the ph level of a hydroponic solution with natural household items?

Whether or not your household has any right now, probably the least likely to kill your plants common substance to raise pH would be ground limestone. In some systems limestone or marble chips are ...
Ecnerwal's user avatar
  • 24.9k
4 votes

The plant stems start to split (crack) vertically in a hydroponic system

The answer you linked to says that the growth is top heavy due to etoliated growth. This has lead to stress on the soft stems causing them to crack. So, the answer would be to heavily prune back the ...
Graham Chiu's user avatar
  • 23.4k
4 votes

Why do plants need water?

You're definitely missing something; your information is incomplete. You've mentioned evaporation (from the soil, presumably) but not transpiration. Plants need water, it's the stuff of life - they ...
Bamboo's user avatar
  • 134k
4 votes
Accepted

is perlite dust toxic or is it safe for humans to breath

According to the US National Institutes of Health (not politicized yet, thankfully), perlite dust is NOT hazardous. Here is a great source for more information - the relevant information is in the ...
Jurp's user avatar
  • 19.7k
3 votes

Hydroponic Lychee tree suffering from brown leaf tips! Help!

Leaf tip burn like that, when your feeding it hydroponically, Is 99% of the time going to be a nutrient issue. It could also be a ph issue, but its more likely your overfeeding it, causing a nutrient ...
Brandon's user avatar
  • 39
3 votes

What are the best herbs to grow hydroponically in Texas when starting in June?

You should be able to grow all those crops hydroponically, except that blueberries might prefer a more acidic PH than mint, cilantro, and strawberries. Try growing the blueberries in a separate setup, ...
CloneZero's user avatar
  • 1,450
3 votes

What are the features that you should look for when buying a hydroponic system?

I'm with Seanland. I did a DWC setup for the price of a 5-gallon bucket with a lid, a few feet of ait hose, 4 small pots, an air pump and a water rock. I probably spent about $45 but you could knock ...
Sean Moriarty's user avatar
3 votes

How do you make the nutrient solution for a hydroponic system from solid compound NPK fertilizer?

Plants require 14 essential elements, and it sounds like you're only going to provide nitrogen, potassium, phosphorus, calcium, magnesium and sulphur. You also need to dissolve the constituents with ...
Graham Chiu's user avatar
  • 23.4k
3 votes

Why aren't my hydroponic plants growing well?

I haven't done hydroponic gardening (and I don't know a terrible lot about hydroponics specifically), but from my observations of hydroponic fertilizer, it's usually very high in potassium compared to ...
Brōtsyorfuzthrāx's user avatar
3 votes

Importance of night in hydroponics?

I agree with CloneZero. All plants have evolved on this same planet that has specific night and day cycles...even in the arctic. Plants need darkness and a break from the work of photosynthesis. ...
stormy's user avatar
  • 40.5k
3 votes
Accepted

Humidity Drops Fast

So you are saying you have a ventilation system to pull air out of the room...do you have a way for fresh air to be pulled in passively? Fans are critical for all indoor and greenhouse plants. Do ...
stormy's user avatar
  • 40.5k
3 votes
Accepted

Why don't hydroponic systems suffer from constant root rot?

Since you're starting with soiless systems, the time for severe fungal infections takes longer to develop. But they do. And it may be that the seedlings get infected before transplantation into the ...
Graham Chiu's user avatar
  • 23.4k
3 votes

Hydroponic sensors are so expensive?

Without knowing for sure, I see several things You may be shopping "laboratory grade" sensors. Then again, you may need them... An "EC" sensor may require platinum or other exotic/expensive material ...
Ecnerwal's user avatar
  • 24.9k
3 votes

My hydroponic lettuce is mega bitter. Can I fix it?

The bitterness is caused by heat. Lettuce likes cool temps, where they don't often get over 75F, if you don't want them to get bitter. When the heat becomes more consistent, certain chemicals are ...
Bulrush's user avatar
  • 1,726
3 votes
Accepted

How to increase or decrease the ph level of a hydroponic solution with natural household items?

I very much doubt that your tap water and deep water culture have a pH of 3. Nutrient lockout occurs below 5.5 yet your plants mostly seem okay based on your previous question. City water tends not to ...
Graham Chiu's user avatar
  • 23.4k
3 votes

Cactus in hydroponics: Keep water levels up at all times?

Stormy, all cacti do not have shallow roots. It completely depends on the species and there are 1000s upon 1000s of species of cacti. I am a manager at a specialized cactus nursery and I can tell you ...
Austin's user avatar
  • 51
3 votes

What would cause the pH of a hydroponic system to go up when the lights go off?

Pretty cool system you have there, it looks very sophisticated! You say that the lights go off at midnight and back on at 6 am. You can indeed see a bit of rise in pH during that time, but I see more ...
benn's user avatar
  • 13.2k
3 votes

If you colour water red in a hydroponic system will the leaves on the lettuce turn red/pink

My daughter has to do a science project. ...I don't want to build the whole system just for it not to work. OK, time for you to better understand "science" - Which might be more properly ...
Ecnerwal's user avatar
  • 24.9k
2 votes

Can hydroponic/aeroponic produce be organic?

Probably none of the agencies give your products organic documents, but yes you can do it. If you prepare fusion with organic stinging nettle and a few other kinds of green plants you can grow organic ...
Savvy Aaron's user avatar
2 votes

What is the ideal Daylight Time for Herbs, Tomatoes and Peppers?

Tomatoes and peppers need around 23-30 DLI (daily light interval) worth of light depending on how old they are (older = towards higher end). You should invest in a PAR meter (I find this one here is a ...
Slight's user avatar
  • 211
2 votes

Will my Frangipani Plumeria (Champa Flower) survive in water without adding soil?

No. I realize this is an old question, but it needs a proper answer. Plumeria is highly susceptible to root rot and will die if you attempt to grow it without potting it in soil. In order for you to ...
Thomas's user avatar
  • 121
2 votes

Is epsom salt dissolved in water enough to keep most plants alive?

If you have good soil, possibly it is enough for a year. According wikipedia epsom salt (Magnesium sulfate) is MgSO4·7H2O so it will give only few substances to the plants. On the wikipedia article is ...
Giacomo Catenazzi's user avatar

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