How To Use Progressive Web App aka PWA On 420 Magazine Forum
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There is no "silver bullet" to achieve big buds.
You need to optimize your growing environment--exellent medium, carefully monitored ppm (you'll need a meter), constantly correct pH, 6,200 or more lumens per sq/ft, the best nutrients (no miracle grow!), ventilation and of course keep the grow area pest-free.
It usually takes a number of grows before you learn to get things down pat.