Hello everyone. I have 4 seedlings in solo cups with drainage holes filled with Happy Frog soil. My light is at the manufacturer’s recommendation. Im watering with plain tap water that has sat in the same room for a few days so the chlorine can evaporate. The average temperature is 73 and the max temp was 80. Humidity stays at about 70%. If it is overwatering, would letting them dry out solve the issue? Im about to transplant them to 1 gallon pots in the next day or 2. Any help wpuld be appreciated.
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It could be any number of things. What’s the PH of the water being used? Could be over watering. Looking awful lime green, maybe hungry. Is the heat mat on? Why transplant into 1 gal. pots. Just transplant them into there permeant grow pots.
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Are you checking the ph of your water?
Your plants look similar to other pictures I have seen here using FF soil. It appears that their soil maybe too hot for seedling. Maybe it is time to coin a new phase here “FF Burn”.
I would transplant to a one gallon container, and use a different soil, (maybe Roots Original). Or you could use one part perlite, one part coco, and one part of your FF soil.
Flush the solo cups with 6.5 ph water before transplanting. Then water with 6.5 ph only for a couple weeks.
If you are new at this, you very well may be overwatering. You may want to fill an empty container of the same size with dry soil. Use this dry container to judge the weight of the containers with the plants against. You only want to water when the plant container is getting close too as lite as the dry one.
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Also I like to start off in solo cups, and then to an 1 gallon oxypot type pot, and then to 5 gallon fabric bag. The oxypot pots and bags will be much more forgiving as to overwatering. The oxypot is easy to transplant out of since you can just unwrap the sides. The plastic solo cup can hold too much water, and does not let the roots breathe very well. I like too punch holes in the bottom and sides of the cup both. Does not make much sense to only put holes in the bottom, and then set it on it’s bottom.
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Could be overwatering. Below are two articles about overwatering, see if anything mentioned in them rings true for your plants. If so, then depending on what other things might be going on, perhaps just letting them mostly dry out before their next watering could solve the problem.
I’ve never used FF Happy Frog, but it’s supposed to be seedling-friendly.
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Tap water depending on where you live can get as high as 8.6 pH. Even living in the Mile High with the Rockies out my window to the west, my tap is at 8.2 right now but they are working on getting that back down. Less is more at this stage. Other than not knowing the pH, all of the other factors are spot on.
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Personally , I would transplant into Final home with A cannabis friendly soil of your choice. Using PH water At 6.5 on water day. Watering in a 6 inch pattern. Good luck 
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All pics of two week old plants of different strains and grows in Fox Farm Ocean Forrest with just proper ph watering’s which is considered by many to be hot as hell. Happy Frog is weak. It’s a bunch of BS. I always start my feeds on the weak side at two weeks, no later than three weeks. Even as I convert to Gaia Green it will take at least two weeks for the organic properties of Gaia Green to even start kicking in.
Current Baby Shark Auto Grow
Mixed Grow.
Cherry Cake.
ATF just harvested.
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I’ll say yes on overwatering if you’re giving more than a shot glass every 3 days 
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Hey, @Blastfact. If Happy Frog makes you a happy camper, then who am I to disagree. I just see a lot of pictures of FF with problems, maybe it is not with the Happy Frog. I didn’t even but a third F in my “FF Burn” quote!
But when I looked at the pictures that @detroitpwp3 posted there are some serious rings under the solo cups. Either there is a lot of salts or he has some very hard water.
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You see a lot of pictures of growers that have problems. 99.9% of the issues have nothing to do with the soil or grow media used.
Not sure about the 99.9% there? I would go for 75% maybe.
Thanks everyone. I normally go from solo cup to 5 gal fabric pots. But during my last grow, a plant got sick and someone said that the soil i used may have been too hot and suggested that i add one more pot before their final pot. My tap water has a ppm of 126. The ph is 7.4. And i now realized that i only ph’d the water the first time and not the subsequent times.
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Do you use dolomite lime? If so, does it help?
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The plants you posted are overwatered. The reason ocean forest is frowned upon for seedlings is because people tend to overwater. The more water, the more nutrients released. Tons of nutes for a seedling is obviously a bad thing.
This is one reason I used to start my seeds in solo cups, but clear solo cups. You can easily check root growth and soil moisture. Just drop that cup into an opaque solo cup that you have there and you don’t have to worry about light getting to the roots.
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I use a bottle cap to seperate the two cups (for air/drainage), if red solo cup does not have drain holes.
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@detroitpwp3, I think that @BobbyDigital is giving you some very good information. As far as the lime, it has some benefits, but it will also raise the ph in your soil. You may want to just ph your water/nutrients to 6.5 for a few watering until you get your ph corrected first.
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@detroitpwp3. Like many others on this forum, I like to write about how I grow, and kinda lose sight of your issues.
You should be able to use your FF soil and water only at 6.5 ph in a one gallon container. Until the plant are about 12 inches high.
Then decide if you want to go organic or synthetic nutrients before you start a feeding schedule. Don’t try to ride the fence on this one. Chose one and stay the course with it and forgot about the other.
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Dolomite will help raise and stabilize your soil PH will just take a little time
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