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Oops, My Fish Are Dead…Chlorine Kills

By Mark 9 Comments

If I had to summarize the topic this week it would simply be that “chlorine kills fish”.

Not a happy topic to be sure but it’s a reality that sometimes mistakes happen.

If you have a fish pond you’re likely well aware that municipal tap water is not ideally suited to fish health.

Most tap water contains disinfecting chlorine and chloramines, both of which are quite toxic to fish, so when you refill a pond or add water to replace losses from evaporation, it’s a common practice to use dechlorinating tablets or liquids to neutralize these substances.

But not everyone may be aware of this fact or remember to use them.

A long time customer wrote a few weeks ago that she had a friend helping to take care of her pond during a time when she was unable to do so. She got a call one day from her friend that her fish were not looking very well and within a few days, all of her fish were dead.

In the end, she discovered that her friend had added water to the pond but did so without using any dechlorinator whatsoever and as a result, some very large, beautiful, and vibrant koi were lost. It was simply heartbreaking to hear about this and no less devastating to experience it.

Which leads me to an important reminder: Be diligent, not only in your own routine chores and processes as you manage your pond (because we all can make a mistake now and then), but also be thorough in training and guiding someone who’s offered to help you care for your pond. Don’t assume that they understand the various aspects of pond and fish care…it’s simply too risky.

How To Avoid Chlorine Contamination

After hearing about my friend’s loss, we traded emails in which she asked about a way to avoid something like this in the future. It then came to mind for me to suggest the use of a dechlorinating filter which goes on a standard garden hose. Of course she asked if we carried one and I sadly had to say no. But this led me down a path of researching the possibilities to find a good supplier who could produce a great, easy to use filter, at a reasonable price.

I’m now happy to say we’ve found one that makes removing chlorine very easy.

This dechlorinating filter removes all detectable traces of chlorine and chloramines, as well as heavy metals, and a number of other undesirable substances that you might find in tap water. (It works great on well water too). By using this filter routinely when you refill a pond or add water to a pond in the summer, you virtually eliminate the risk of chlorine toxicity (and other contaminants) from entering your pond…and that’s very good for your fish.

To learn more about this filter simply watch the video below or click here for more information.

Filed Under: General Pond Stuff, New Products, Small Ponds Tagged With: chloramines, chlorine, dechlorinating filter, dechlorinator, filter, koi, pf100, pf200, pond dechlorination, pond dechlorinator, Pond Fish, toxicity, water

Solving The Cloudy Water Problem In Your Pond

By Mark 11 Comments

For many pond owners, there is an issue that can really frustrate the most diligent spirits. And why shouldn’t it. Afterall, cloudy water makes it hard to see your fish, or enjoy the clear and pristine water that we all dream of.

As I tell folks time and time again, every pond is different and dynamic in it’s own unique way, so that needs to be kept in mind. However I’ll cover some of the more common causes of various kinds of cloudy water and what you can try to resolve the issue if it’s plaguing your pond.

The first logical step in this process is to try and figure out what the source of the cloudy water might be. What I mean by this is that if the water is cloudy with a greenish tint, then there’s a very good chance what you’re looking at is planktonic algae.

The water with a planktonic algae issue can vary in color and in the density of the cloudiness. We’ve seen everything from a light, almost pleasing greenish tint to a thick pea soup like consistency that’s not pleasant at all.

Green water issues can be dealt with in several ways but our favorites include using beneficial bacteria, and this is often combined with adding additional plants in the pond. Many ponds that have consistent green water issues also get a great deal of sun exposure through the day, so adding floating plants is a very good step to take. When plants are used in combination with bacteria, a pond owner can often cover 1/3 of the pond’s surface with plants and get good results.

Many pond owners also get good results on green water by using an ultraviolet filter of some type. It’s important to get a filter that’s adequate for your pond size and volume and be sure to circulate the water through the filter at the recommended rates to get the best results.

Green water can also be a problem in very large ponds and in this case, the treatment methods will vary a bit. By far the most useful tool we’ve come across has been the ultrasonic algae treatments that can work on multi-acre ponds with ease.

Moving on, and this is important…if you see milky looking water in a backyard pond with fish, you’ll want to test ammonia and nitrate levels right away. Many times you’ll see a drop in clarity as these readings rise and consequently, as they are lowered the cloudiness will improve as well. Obviously for the sake of the fish, you’ll also want to bring these issues in line as quickly as possible as well.

New ponds and those being restarted in the spring can show cloudy water for a short time as the bacteria levels are building up. Sometimes even an overabundance of beneficial bacteria can create this phenomenon for a short time but this will usually clear up on it’s own after a few weeks.

If you find the cloudy water to be brown or “tea colored” in appearance, this type of issue could be coming from simple dirt in the water or something like suspended organic sediments that have built up in the pond. Organic sedimentation can come from uneaten fish food, decomposing matter like leaf debris and other natural sources.

You can improve the clarity of the water in this case by increasing your filtration systems in various ways or there are additives such as alum or montmorillonite clay or products such as Phosclear that can bind to these particles in the water and pull them down to the bottom of the pond. Over time this sediment (if it’s organic in nature) can be broken down by the use of beneficial bacteria.

The instances noted above are some of the more common issues related to water clarity and cloudy water. If you’re able to identify what type of issue you’re dealing with, you can then begin to apply the various methods to rebalance the pond or begin work to rectify the root of the problem. By working in this way you should see improving pond clarity as the days go by.

Filed Under: General Pond Stuff Tagged With: clarity, cloudy, green water, phosclear, pond, water

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