API Stress Zyme, 16-Ounce

I use this product regularly in 2 freshwater aquariums. This is a busy household and we don't do as many water changes as we should. So I keep both an under gravel and an over the tank filter and use stress zyme every other week or so. One of the tanks has fancy goldfish, and one goldfish has grown to carp size and he eats a lot and messes a lot. There is a more delicate fish in the goldfish tank that starts to suffer when I need to add stress zyme, long before the tank actually looks dirty. Once I add the stress zyme he perks right up. The second tank is bala sharks with a red tail and an angel. This tank seems healthy, but I throw in some stress zyme when I do the other tank because its a huge tank and its hard to vacuum. And the tanks stay nice with only about 6 water changes per year. We change the filters at about the same rate, but need to add tap water every week (the tanks are great humidifiers, they never get moldy like a real humidifier does!) Anyway, I recommend this product to anyone with a fish tank but no time or desire to do weekly water changes.

If you are encountering issues with managing turtle waste, this is a great addition to a canister filter. I have a turtle in a 45-gallon tank with a Rena FilstarXP2. Turtle waste still floated to the top and became a major hassle to clean. The problem became worse and I was concerned for my turtle who sleeps on a underwater dock near the surface. After visiting the Rena site, it directed me to#Performance. It suggested this bacteria supplement. Since using it, the water became clear again and no waste floated at the top. I have no need to clean the tank except for changing half of the water half-way through the month and a full change at the end of the month. And Steve is happy to swim to the surface again!

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I use this as a weekly maintenance in my aquarium ...and I have never been disappointed in it!! I always keep a bottle of this in my supplies

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I can not understand why there people who DO NOT read.

This product should NOT be used as a water conditioner, NOT your function .. and by the way many people do NOT follow instructions.

this product contains beneficial bacteria that HELP the filtering process BIOLOGICAL aquarium. I have an aquarium of 430 liters MARINO. and used it for 02 years .. works very well is excellent and if clear .. maintains a clear water, the fish are happy. the corals are doing well.

I have no complaints of the product. works very well

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this is a great product, now im not going to lie, i usually use river water and run that through my set up untill it looks crystal clear but sinc i didnt have time for the river water or a means of transporting it this is the second best thing to setting up an aquarium.