U could foliar feed them with molasses and epsom salt, that way it'll get the mag it needs. Get your pH under control then go back to feeding as normal. Sent from my XT1650 using Tapatalk
Unless you can buy the stuff out of the chemist intended for skin care use I'm gonna have to order some off good old eBay
So I have everything going great just about going into flowering, 20l pots handling the nutrients at half strength fine, 3 plants going great showing no sign of any deficiency or lack of growth, then the past 2 days went weird, leaves started browning and curling up; no idea why, I’ve since flushed it with clean ph’d water and still waiting to see what happens, but does anyone know why this has happened, I’ve moved the light a bit further away and considering changing to 12/12 rather than 24h light schedule because I think it might be light stress, due to one side of the plant browning more than the other, bearing in mind all 4 of these plants are different strains
My room is always between 25/27 degrees c Humidity being 50-60% Got the light at recommended hanging height but I might put it a bit higher
I've moved the light as high as it can go and still on feeding schedule half strength but still i'm getting yellowing of the leaves I have no clue what's going on ill post some pics when I can sort my phone out
Well i'mgoing back to what I thought it was when I first saw your pic's Nutrient Burn And here a couple of pic's showing Nutrient Burn The reason for this is, because a newer grower will use a chemical nutrient most of the time and listen to the directions on the box. This is a NO NO! Depending on the age of the plant, size, strain and soil mixture you are using also has a factor. There is no set guideline when using nutrients, but I can give you a good example to start out with so you will not burn your plants. It’s always good to start out light, rather than feed heavy. Remember you can always add more later, but can not take out when you added to much. Chemical and Organic nutrients differ. Chemical nutrients are more readily available and can burn way easier than organics can. Organics are easier for a newer grower to use, most of the time, and lessen your chances of burning your plants. I recommend not using more than ½ teaspoon of chemical nutrients per gallon of water. Unless the plants are very big 5 feet+, then it’s safe to use 1 teaspoon per gallon of water. When your plants first emerge you want to wait at least 2 weeks before feeding your plants, unless your plants are in a soiless mixture, like pro mix. The cotyledons (its first set of round looking leaves) are what give the plant its food until they get the first 2 or 3 sets of leaves. If your plants are in a soiless mixture and are over the first week of age; you can feed a weak amount of nutrients, like ¼ teaspoon per gallon of water. Soiless mixtures are different from soil plants and soiless plants need to be fed more when using this mixture. I also recommend not feeding more than 1 time a week if using ½ teaspoon per gallon of water for chemical nutrients. You can feed every other day,( this goes for chemical and organics) at very weak amounts, but doing this may contribute to over watering, and for that I do not recommend feeding more than once a week. Some people feed 2 times a week using like ¼ teaspoon per gallon of water.. Use 1/4 strength for first feeding and then go up to 1/2 strength from the 2nd feeding when using chemical nutrients. It’s very easy to overdo it. When using organics, depending on which one you’re using, I recommend using 1 teaspoon per gallon of water. When the plant gets bigger you can work your way up to using more nutrients when the plants get bigger. As for soil mixtures, there are a lot of different kinds of soil’s out there. Using a rich soil mixture is not recommended for seedlings. Seedlings that are under 2 weeks of age you do not want to start them in rich soil, using a seed starter mixture is one of the safer ways. Seed starter mixtures are weak in nutrients, so it will not burn the seedlings but will provide them enough to get past seedling stage, but the downside is you have to transplant into a better soil mixture after 2 weeks of age. If you decide to start with this mixture, do not put your seedlings into a big pot. Start them out with using a cup or a small pot. Nutrient Burn causes leaf tips to appear yellow or burnt. They can also be brown and twisted and crispy looking. Depending on the severity it can show many different symptoms and shows on lower part of the plant when its young, at older stages it can move anywhere on the plant. The burn will creep into the center of the leaf causing it to curl and dry up. It depends on the specific nutrient that is in excess. For example, too much nitrogen causes leaves to curl downwards and too much potassium creates brown spots near the edge of the leaf. Either way, nutrient burn may potentially kill your plant or lead to it having a strong chemical taste. To fix the problem when you have Nutrient burn, you want to flush out the plants with lots of water. Soil Soil should be flushed with lots of water, Use 3 gallons of water per one gallon of soil. Flush very thoroughly, after plant recovers usually after a week, you can resume using nutrients after a week or a week 1/2. When you flush your soil, you flush everything out, a lot of nutrients go with it, including the soil nutrients. Hydro ````````````````` Change out the reservoir, flush out any lines and clean out the entire system and replace with plain water for the first hour, then start out with lower parts per million (PPM) Its good to clean out your system every 2 weeks and replace with fresh water and nutrients. Some people change everything every week! Ahh, nute burn! Stop this by not adding to much chemical/organic nutrients to your water,foliar feeding. DONT feed more than 1 time a week unless using weak amount, use 1/4 strength for first feeding and then go up to 1/2 strength from then on when using chemical nutrients. Its very easy to overdo it. Causes leaf tips to appear yellow or burnt. NEVER give nutrients to plants that are under 2 weeks of age, at this age the soil nutrients are enough to suppliment them untill 2 weeks of age or more depending on how good your soil is. Using ferts before 2 weeks will almost likley kill your plants.