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12-23-2017, 03:21 AM | #38 | |||
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I'll keep to the techie/fishie stuff first.
The dying had to do with oxygen levels, not filtration. A waterfall helps (a bit) with mixing the water with oxygen. Another (usually cheap) solution is to use an airpump/special airstones at several places around the pond. In my case I don't need them - I have a waterfall too - because the difference will be summer temps. A decent pump would set you back about $150, you need some (very small diameter) tubing, and some air stones (cheap as dirt). It's what fish need most: they breathe through their gills and have to depend on the oxygen levels in the water. The hotter the air/water, the less oxygen is saturated, so that's where the air stones/air pump would come in. A filtration system in itself does NOT add oxygen (in fact, some systems actually use us oxygen as the bacteria need them to convert the bad stuff (ammonia (aka pee ) into nitrite and then into nitrate. Sorry to get technical, but it's important as that world is full of idiot merchants. Fish gasping? Add pump/airstones/keep waterfall running, problem finished in 15 minutes. I've seen some of the pictures, but it's hard to be sure. There are quite a few "butterfly koi" -> the one with the "wavy" tails? Those are usually not considered "valuable" (in koi freak money terms). But you might still find people who want to pay a bit of money. The pond is also overcrowded as hell. Ideally, you need at least 1m3 per grown up koi (so, a 1000 liters). But preferably more. The pond also needs to be DEEP before BIG. Shallower water heats up quicker -> quicker to lose oxygen when it gets hot too. Deeper water keeps cooler. (and also warmer in winter: did you know that in freezing weather water (even with ice on it) at -2meter will still be around 4°C?) The pump... OK, there it's getting weird. Oase you say? Yeah, German company, German quality, best in class. My main 15000 liter/hour pump is in it's 18th season (I don't run it between November/March) without a glitch, and... without ever having to take it out of the water or cleaning it! Oh, did I mention it's an Oase? A pump should just feed the water to a filtration system, leave the debris through (up to 2 cm), and in case of Oase run forever and ever. I have NEVER EVER had to go into the water to touch the pump (OK, I lie, once in 2012 to change it's place a little). Having to go into the water to clean a pump is madness. I hope whoever did that did not get paid. Grrrr. I don't know the other system you now have, but I'm afraid DB has been duped, sorry. The disease has nothing to do with the type of pump, but with water at a very specific temperature. Not an issue here, but I can imagine it is in Oz. Anyway: in that pond, even with a 24 hour outage, goldfish (not bundles OK? just 10 or so?) will survive without any problems. ESPECIALLY if you keep a air stone or 2 running all day long (instead of a filtration system). Look, I know you are overwhelmed with info, so I'll follow up with a summary post - but be assured all the above is 100% accurate. Quote:
Last edited by Wide-O; 12-23-2017 at 03:47 AM. |
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