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| Lowering the PH in a dam safely http://byap.backyardmagazines.com/forum/viewtopic.php?f=12&t=29408 |
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| Author: | nguyenphutoan [ Jan 20th, '18, 16:41 ] |
| Post subject: | Lowering the PH in a dam safely |
Hi all long time no see. I did a talk at the local redlands organic growers association about 2 weeks back. One of the people there is growing lillys and Jade perch in his dam but has a ph 8. He wants to know how to safely lower the ph. Any help would be welcomed. He used vinigsr but it killed his plants!!! Aussieponic |
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| Author: | dlf_perth [ Jan 21st, '18, 10:02 ] |
| Post subject: | Re: Lowering the PH in a dam safely |
how large is the dam ? It may be that the pH is driven by the bed material of the dam if it is earth/clay bound. In which case only a liner would be viable to change the system. Low pH (not your issue) can often be addressed by adding lime and things like hay/straw. What is the primary source of pH (limestone area, hard water etc ?) In a large pond/tank the easiest is to do it using hydrochloric acid. Mix and introduce it continuously in a side tank not just throw it in. HCL is pretty inert since products likely to be CaCl, NaCl etc. Adding some iron might help (depends on water chemistry) |
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