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David E Harnish
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- Hayward, CA
- United States
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David E Harnish's Discussions
Lowering pH
Started this discussion. Last reply by Sylvia Bernstein Nov 28, 2013. 2 Replies 0 Likes
My City water is "off theChart". I have usedpH down to bring it within reason, but just noticed the pH down uses citric acid among other things. I have read somewhere not to use citric acid as it…Continue
Timing for drain and fill
Started this discussion. Last reply by Jennifer W Martin May 30, 2014. 30 Replies 0 Likes
I have seen numerous recommendations for how long to take to drain the beds, and then for refilling them. Is it appropriate to have the pump running all the time, and control the flow into the grow…Continue
David E Harnish's Page
Profile Information
- How did you find us?
- Search engine (Google)
- If you found us through a search engine, what search words were you using?
- What to feed fish in aquaponic gardening
- Are you an aquaponic gardener already?
- No
- If so, what type of system? (pick all that apply)
- flood and drain media, none of the above
- How old is your system?
- Just started
- How big is your fish tank?
- 3 IBC totes cut roughly 1/3 x 2/3
- Name a part of a fish (spam blocking question)
- dorsal fin
- Please tell us something else about yourself.
- Had a soil garden taken over by city ROW, but like my own fresh vegetables.
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David, Its generally best to thoroghly rince your media before putting it into your growbed. If you've already contaminated your main fish tanks, then you might be ok if you run your system for a while--but you may find a water change in order. Btw Coir is coconut fibre. As for hydroton floating, it will generally float 24-48 hours. I rince mine, soak it and then drain it and add to the media bed. If you're just starting, you have plenty of time. If you're fishless cycling, the ammonia may well clean up your water for you, if not, then a water change is your best bet. Any bacteria you've grown should be fine through the water change.