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Indoor Grow Tent Kits
Mr. 420k by Mr. Hide Seeds is a productive strain that grows enticing, large buds. It grows plenty of branches too, making for high yields.
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Data sheet
Description
Mr. 420k by Mr. Hide Seeds is an indica-dominant feminized strain that comes from a cross between Nicole Kush and Big Bud, capable of growing enormous flowers. It’s quite easy to grow, as long as you take the required steps to prevent fungi and pest infestations which could end up ruining your hard work.
Indoors this strain will put your filter and extractor to the test, as once it begins flowering it’ll also begin letting off quite an intense aroma, so you’ll definitely need to use other devices such as a Cornwall Electronics 200mg/H Ozone Generator or odor trappers. Thanks to its robust, open structure you can easily place just 9 plants per square meter, harvesting up to an impressive 500g after just 65-70 days, so you’ll need to pay attention to your plants in case you grow different phenotypes that can take longer.
When grown outdoors, this strain is kind of delicate with fungi, but if you use propolis as a preventive measure you should be okay. It rarely grows over a meter and a half tall, as it usually focuses most of its energy on making its branches thicker. You can harvest quite an impressive 800g from this resinous plant towards mid-October – it’s perfect for making delicious extracts.
Its thick, dense buds smell like earth and soil, although its aftertaste has a sort of Kush, fruity hint to it. Its effect is both fast and long-lasting, so we don’t recommend consuming it before you need to do anything important.
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Mr. 420k reviews
27/09/2025
I tested it with autoflowers in 11L pots, following the instructions and watering calmly. The response was excellent, the branching exploded and at the end of the cycle I had spectacular-looking flowers. I didn't have any overfertilisation issues, which I really appreciate.
Translated from Spanish
Lo he probado con autoflorecientes en macetas de 11L, siguiendo las indicaciones y regando con calma. La respuesta ha sido excelente, las ramificaciones han explotado y al final del ciclo tenía unas flores con un aspecto espectacular. No tuve ningún problema de sobrefertilización, cosa que agradezco mucho.
25/09/2025
It was my first serious grow and I couldn't be more pleased. I combined it with my usual nutrient routine and the buds turned out compact and resinous. It was a joy to watch them grow like that.
Translated from Spanish
Ha sido mi primer cultivo serio y no puedo estar más satisfecho. Lo combiné con mi rutina de abonado habitual y los cogollos salieron compactos y resinosos. Fue una alegría verlos crecer así.
16/09/2025
Incredible how it brings out the colours and aroma. It's a must-have in any self-respecting grow tent. My plants look spectacular.
Translated from Spanish
Increíble cómo saca los colores y el aroma. Es un imprescindible en cualquier armario de cultivo que se precie. Mis plantas lucen espectaculares.
08/09/2025
Has anyone else noticed a brutal change in the resin? My buds are super sticky. Do you use it with every watering or only in flowering?
Translated from Spanish
¿Alguien más ha notado un cambio brutal en la resina? Mis cogollos están muy pegajosos. ¿Lo usáis con cada riego o solo en floración?
05/09/2025
Impressive, I've always used it and it has given me incredible results. My plants are very vigorous.
Translated from Spanish
Impresionante, siempre lo he usado y me ha dado unos resultados increíbles. Mis plantas están muy vigorosas.
24/08/2025
They made my growing projects come true. I thought it would be harder, but this made it possible. I'm very happy.
Translated from Spanish
Hicieron realidad mis proyectos de cultivo. Pensaba que sería más difícil, pero esto lo hizo posible. Estoy muy contento.
24/08/2025
Works great! Highly recommended to give your grow a real boost in quality. Since I tried it, it's a must in my grow tent.
Translated from Spanish
¡Funciona genial! Súper recomendado para que tu cultivo dé un salto de calidad. Desde que lo probé, no falta en mi armario.
22/08/2025
I've been growing for years and I'm always looking for that extra touch. This is one of the best things I've tried for final fattening. The difference in weight and bud hardness is brutal, it really shows.
Translated from Spanish
Llevo años cultivando y siempre busco ese extra. Esto es de lo mejor que he probado para el engorde final. La diferencia es brutal en el peso y la dureza del cogollo, se nota mucho.
21/08/2025
My plants were a bit stalled and this revived them. What a difference in growth and flowering! They look completely different.
Translated from Spanish
Mis plantas estaban un poco paradas y esto las ha revivido. ¡Menuda diferencia en crecimiento y floración! Parecen otras.
16/08/2025
Perfect for getting good results. Denser buds with an incredible aroma. Positively surprised me.
Translated from Spanish
Perfecto para obtener buenos resultados. Cogollos más densos y con un aroma increíble. Me ha sorprendido muy positivamente.
01/03/2024
Mr. 420K from Mr Hide Seeds surprised me; huge and plentiful buds.
Translated from Spanish
El Mr. 420K de Mr Hide Seeds me sorprendió; cogollos enormes y abundantes.