Gro-Tubes Hawaii

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Using the Kratky Hydroponic Method to grow vegetables in the SIMPLIST HYDROPONIC SYSTEM out there... grow lettuce/leafy vegetables in 4-6 weeks for a fraction that you would pay at the market.

Growing lettuce 5 feet above the ground to avoid slugs and snails…. Cool weather brings lush manoa lettuce!
01/06/2026

Growing lettuce 5 feet above the ground to avoid slugs and snails…. Cool weather brings lush manoa lettuce!

Lee from Pearl City… doing well after a few weeks…. Manoa lettuce almost ready and her starters looking healthy.   She l...
04/05/2025

Lee from Pearl City… doing well after a few weeks…. Manoa lettuce almost ready and her starters looking healthy. She looking for try other vegetables next…. Who said you cannot grow manoa lettuce in Pearl City??

After 6 total weeks from seed to maturity… harvesting the red romaine and the manoa lettuce from the Home Depot tubs.   ...
04/05/2025

After 6 total weeks from seed to maturity… harvesting the red romaine and the manoa lettuce from the Home Depot tubs. Huge root growth.. thank you again for the growing tips!!! Awesome

Another first timer… in kaimuki… started 3 weeks ago… grew her own starters, maintained the nutrient water levels, gave ...
03/22/2025

Another first timer… in kaimuki… started 3 weeks ago… grew her own starters, maintained the nutrient water levels, gave her tube morning 4-5 hours of sun.. and the just harvested 6 heads of manoa lettuce to share with her family! She has 3 week babies which should mature in 2-3 weeks. Great job

03/17/2025

Thank you Hydroponic Hut, Ally and Al for all the info and support…. Started my run to grow some red romaine and manoa lettuce. I’ll post the harvest day shortly! It’s a little different from the tubes… but I like that you can fill nutrients once and forget about it! -tubeshawaii

Who said you can’t do hydroponics indoor???  Chef  does bok Choi, mizuna and lettuce….  doing lettuce and tatsoi from th...
02/19/2025

Who said you can’t do hydroponics indoor??? Chef does bok Choi, mizuna and lettuce…. doing lettuce and tatsoi from the comfort of their Kakaako condos!!

07/22/2023
Sprouting lettuce seeds in grow wool.  Seeds will take 10-14 days to sprout into 2 inch shoots that you can then place i...
07/18/2023

Sprouting lettuce seeds in grow wool. Seeds will take 10-14 days to sprout into 2 inch shoots that you can then place into the gro-tubes.

From shoots till full heads can take 2-3 weeks.
07/18/2023

From shoots till full heads can take 2-3 weeks.

Our basic 2 sizes, 40 inches long with 6 holes or 30 inches long with 5 holes.  Custom sizes and hole placements are ava...
07/18/2023

Our basic 2 sizes, 40 inches long with 6 holes or 30 inches long with 5 holes. Custom sizes and hole placements are available.

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Honolulu, HI
96821

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