Batch#01 - 11 Jan - Day 33 - Lollas are coming!

Lolla Lettuces are Sprouting!

Seems like the Lolla seeds did not drown after all. Or rather this little one managed to survive the flooding after all!

Instead of going through the usual series of pictures to compare the growth and form of the lettuces over the course of 30+ days, it's time to just focus on learning points. For today, it seems that the tip burn on the Cos is getting worse. In fact, I suspect that for a few leaves, it's not just only tip burn, but some nitrate or calcium deficiencies.

Asked for advise on FB Hydroponics group, seems to confirm that indeed these signs are likely caused by:

lack of regular air flow to promote evapotranspiration (which leads to better nutrient uptake); or
lack of nutrients such as calcium and nitrate.

Since I have not had the time to source for and install a portable fan, decided to order some 200g calcium nitrate powder from Shopee.

Data

EC960

- a little below the average.

pH6.25

WT28

Water level: at max level.

- Since water level is near to max, decided to just top up 1L of water, with 5ml of ABC and the all-in-one Grow solution, moderated by 10 drops of down.

Comments

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Deep Water Ebb-Flow System

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