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12-23-2017, 03:21 AM | #1 | |||
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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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12-23-2017, 03:41 AM | #2 | |||
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Synopsis.
1) Get rid of the many fish -> like said before. 2) Remove all pumps (or just shut them off) 3 Except one pump that would directly feed the waterfall. That one would just be a pump in a housing, a big hose to the waterfall, done, zero maintenance. 4) Get 10 goldfish, small ones. Warning: they breed (really Wide-O? ) 5) Get an air pump. A decent one. Get a Hi Blow Air 80 (ltrs per minute), a plastic distributor (so you can hang 10 small hoses on it, some transparent hose (10 or 20 meters) and a few air stones that connect to those hoses. (no, I have to financial interest in air pump brands LOL, but I dare to show this recommendation to every koi owner in the world) See picture for how it looks (contains wrong brand of pump, but shows you what you would end up with) just focus on pump/distributor/hoses Hoses attach to stones like these: 6) keep that running all year as long as temps are > 12°C 7) may need maintenance every 2 years, which means open up and install new standard part (the "vibrator" for want of a better word) of the air pump (which, for all clarity, is out of the water in a dry place). And you are done. Zero maintenance, happy goldfish. Cost? About $200 for air pump/hoses/stones. Never ever again wade into the pond. |
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