Day 21 with grow sponges

21 days after seeding and experimenting with sponges.

Seems like BH is growing a little faster than the GOL.

All are looking healthy and sampling of roots shows healthy crisp looking roots.

Pushed up the EC early this morning from 400+ to 640 with 4 ml of AB added with 50ml of water.

Added another 4ml AB in the evening to try and push EC to 800 to spur growth.

Let's see what happens.

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Deep Water Ebb-Flow System

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