Indoor First Grow 2x4 Tent 600 W HPS

What is your ph level?

My feed going in is right between 6.5 - 7. I only have a ph drop test tho and no way to measure runoff due to them only needing 2 cups per 3 days. I'm thinking I might be under feeding them especially compared to your feed schedule.
 
Cal/mag for sure man especially when your getting those brown spots. How much epsom salts did you feed her last time?

Thanks! That's exactly what I've been trying to confirm lol. A lot of people have been telling me not to worry about it but to me anytime the plant shows any type of distress that means your doing something wrong and need to fix it. Pretty confident at this point I've been underfeeding them.

Last feeding I put 1/2tsp epsom salt per 1gal. I also included 1tsp of molasses and 1tsp big bloom.

My next feeding tomorrow night I'm going to increase to half strength on the FF schedule, 1tsp epsom salt, and maybe 1tbspn of molasses. Not sure on the last one though. Just started seeing white pistils on the tops. Thinking I've got another week to switch to HPS and add Tiger Bloom. From there I think I need to water with 1tblspn of molasses each week.
 
Thanks! That's exactly what I've been trying to confirm lol. A lot of people have been telling me not to worry about it but to me anytime the plant shows any type of distress that means your doing something wrong and need to fix it. Pretty confident at this point I've been underfeeding them.

Last feeding I put 1/2tsp epsom salt per 1gal. I also included 1tsp of molasses and 1tsp big bloom.

My next feeding tomorrow night I'm going to increase to half strength on the FF schedule, 1tsp epsom salt, and maybe 1tbspn of molasses. Not sure on the last one though. Just started seeing white pistils on the tops. Thinking I've got another week to switch to HPS and add Tiger Bloom. From there I think I need to water with 1tblspn of molasses each week.

Use one tblsp of epsom salts per gallon or a tspn per litre
 
Give them one dose of about 5ml or a teaspoon of epsom salts to one litre of water each then you shouldnt have to give it to them for a couple of weeks. Just keep an eye on the leafs to see if it comes back. you should be fine giving it to them now they are old enough.
 
I also read somewhere here that if you give them a teaspoon of epsom on the 3rd week and the 6 week thats when they really need it. Past that you should only give to the plants in small amounts every other week or once a week.
 
Thank for the great info! Ill prolly be feeding them tomorrow. This is what I'm thinking for my feeding tomorrow night. Does this sound about right?

Per 1 Gallon

3tsp Big Bloom
1 - 1/2 tsp Grow Big
1/2tblspn of epsom salt
1tblspn of Molasses

My last feeding was on 7/21. My schedule so far has been:

Week 1 - water only

Week 1.5 - water only

Week 2 - 1/2tsp Molasses and 1/2tsp Big Bloom

Week 2.5 - 1/2tsp Big Bloom, 1/2tsp Molasses, and 1/4tsp Grow Big

Week 3 - 1/2tsp Big Bloom and 1/4tsp Grow Big

Week 3.5 - 1/2tsp epsom salt, 1tsp molasses, and 1/2tsp Big Bloom
 
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