Need advice from Lucas Formula users

GHOPZZ

Well-Known Member
I want to start a hempy grow using 100% Perlite, and the Lucas Formula. I want to know if the Lucas formula is all I need for the entire grow? I keep reading I need also H202 at 5% and Cal-mag plus? Is this true? Also how is the end result in regards to smell and taste? Also is hempy 's yield way more than soil grow?
 

cocodreams

Member
Unless you're an experienced grower, don't use H2O2 for anything except sterilizing media between uses. Adding it directly to soil or hydro requires a good knowledge of the plant and the system you are using.

The Lucas formula has enough calcium and magnesium for your plant to thrive under normal conditions. Less than ideal conditions, especially pH swing, can reduce the plant's ability to utilize available mineral nutrients. A calcium or magnesium deficiency would likely be the result of less than ideal pH.

If using coco, you should add or pre-treat with cal-mag because of coco's ability to withhold calcium and magnesium from the plant. With perlite though, you shouldn't need any cal-mag.

Hard water likely contains calcium and magnesium as dissolved solids. An overabundance of calcium and magnesium can also be a problem. GH makes a hard water-micro for use in these situations.

Some people may advocate adding an additive when flushing, or other supplements for bloom stage, etc. Most of these work fine as long as they are used minimally in a solution that is already tuned in to pH and tds correctly. A lot of these additives will cost you a lot of money, and add a small bit of yield.

Bottom line...

The Lucas formula will give you everything the plant needs to thrive, for a cheap price and with an easy learning curve. Additives later on may help. But I would suggest doing a successful 100% Lucas grow first before trying additives.

Hempy is a great way to grow good quality, high yielding plants with a small root footprint, with a lot of room for error.

I also feel that hand-watered hempy buckets on a small scale is enjoyable, because you spend a bit of time each day watering your plants. It helps you to notice problems in your plants, facilitates visual diagnosis of plant problems, and is just fun to do for a person who enjoys caring for plants.

My top tips for a successful hempy grow...

Properly measure your nutrients, and adjust pH down after mixing if necessary.
If plants are showing signs of stress, water daily with 3/4 strength, pH adjusted Lucas formula.
I don't suggest using many additives or complicating your nute solution until after you have at least one successful grow under your belt.
If plants are showing signs of nutrient deficiency, check for pH problems FIRST.
 

kyoinidaho

Active Member
lucas formula for 100% perlite using a hempy bucket-veg; GH micro 5ml/gal GH bloom 10 ml/gal, flower; GH micro 8 ml/gal, flower 16 ml/gal
 

Dubsta

Active Member
Id also add. Start off doing 100% Lucas formula no additives till you get it down. Yield's will be great. But when you want to start adding additives be sure to do at least 1 plant 100% lucas to compare them to, It helps alot. My biggest yields ever were with a cheap 2 part bloom A 1-0-0 B 0-3-6. I foilor sprayed with nitrozyme i think weeks 4-6 and my bugs just got huge.
 

Rusty Shakelford

Well-Known Member
I completed a Hempy Grow using the Lucas Formula, and I ended up needing the CalMag. I tried to get by without it,, cause I wanted to just have a simple KISS Method, but No Go,, Needed the CalMag somewhat early in, and just kept using it all the way through.. Now mind you, I did not necessarily use it at full strength in every mix, but just could not get away without it using the Lucas Mix.

I would also have to say that H2O2 is a bit unnecessary.. I used it in my hydro runs, but only when I had to. Don't really see a need for it in Hempy's.


Good Luck!!
 

hexthat

Well-Known Member
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~First 2 Weeks
tbs per 4 Gallon #LOW
1 FloraMicro NN AN UN P K Ca Mg S
2 FloraBloom 45 2 0 45 73 49 29 38
Cost ¢60 Total PPM 282

tbs per 4 Gallon #HIGH
2 FloraMicro NN AN UN P K Ca Mg S
4 FloraBloom 91 5 0 91 147 99 58 77
Cost ¢120 Total PPM 570

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Grow
tbs per 4 Gallon #LOW
5 FloraMicro NN AN UN P K Ca Mg S
6 FloraBloom 228 14 0 136 242 247 87 116
Cost ¢220 Total PPM 1077

tbs per 4 Gallon #HIGH
6 FloraMicro NN AN UN P K Ca Mg S
9 FloraBloom 273 17 0 205 348 297 131 174
Cost ¢300 Total PPM 1453

*add 30ppm of Nitrogen to better

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Bloom
*Week 1-2
tbs per 4 Gallon #LOW
2 FloraMicro NN AN UN P K Ca Mg S
7 FloraBloom 91 5 0 159 242 99 101 135
Cost ¢180 Total PPM 834

tbs per 4 Gallon #HIGH
3 FloraMicro NN AN UN P K Ca Mg S
9 FloraBloom 136 8 0 205 316 148 131 174
Cost ¢240 Total PPM 1122

*Week 3-6
tbs per 4 Gallon #LOW
2 FloraMicro NN AN UN P K Ca Mg S
10 FloraBloom 91 5 0 228 336 99 145 194
Cost ¢240 Total PPM 1100

tbs per 4 Gallon #HIGH
4 FloraMicro NN AN UN P K Ca Mg S
12 FloraBloom 182 11 0 273 421 198 174 233
Cost ¢320 Total PPM 1497

*Week 7
tbs per 4 Gallon #LOW
1 FloraMicro NN AN UN P K Ca Mg S
6 FloraBloom 45 2 0 136 200 49 87 116
Cost ¢140 Total PPM 636

tbs per 4 Gallon #HIGH
2 FloraMicro NN AN UN P K Ca Mg S
8 FloraBloom 91 5 0 182 273 99 116 155
Cost ¢200 Total PPM 923

*Week 8
tbs per 4 Gallon #BOTH
0 FloraMicro NN AN UN P K Ca Mg S
0 FloraBloom 0 0 0 0 0 0 0 0
Cost ¢0 Total PPM 0

FloraMicro *>¢0.23tbs
FloraBloom *>¢0.16tbs


Hey peeps,
I've been doing research (searching for that witch already was discovered). Here is my opinion, its been influenced heavily by Lucas Formula and Cannastats. Using a 5 gallon bucket with air and General Hydroponics It would cost less then $31 for nutrients start to smoke. That is if you do the first 2 weeks and veg for 4 weeks changing nutrients every week. GH micro is $12 a quart and GH bloom is $10 at my local store. I suggest getting two bottles of bloom and one of micro.

I know Lucas target is 100-100-200-60
For Growth:???: 0G-5M-10B = 81-66-114-46
For Flowering:???: 0G-8M-16B = 130-106-183-73

pH Imbalance:
For Growth: 14M-12B-4G = 250-85-217-61
Pre-Flowering: 6M-22B-0G = 97-146-238-100
For Flowering: 3M-22B-0G = 49-146-230-100

Mel Frank's :
For Growth: 20M-14B-4G = 348-98-253-70
Pre-Flowering:
For Flowering: 5M-15B-3G = 99-103-209-73
This is my modified lucas and I KNOW IT WORKS by its self, change your nutrients every 7 days or less and no problems. YOU DONT NEED CAL MAG OR H2O2
 

hexthat

Well-Known Member
if you think your plants need more then Ca 198, Mg 174 pmm you need to stop smoking crack
 
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