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  1. ZARBU

    How to re-use Hydroton - Bleach

    Hi so you have finished a grow, you want to clean and reuse your hydroton. Here is the easy way. Bleach yep bleach. buy the unscented stuff from the supermarket. its cheap as, a few dollars for 2 litres. 2 litres of bleach to 4 litres of water = 6 litres. make as much as you need. cover...