Water change schedules for cardinas - The Planted Tank Forum
View Poll Results: Water Changes (choose closest) - How often and how much?
Once a week @ 10% 10 21.28%
Once a week @ 20% 13 27.66%
Once a week @ 30% 4 8.51%
Once every 2 weeks @ 10% 2 4.26%
Once every 2 weeks @ 20% 4 8.51%
Once every 2 weeks @ 30% 2 4.26%
Once every 3 weeks @ 10% 0 0%
Once every 3 weeks @ 20% 1 2.13%
Once every 3 weeks @ 30% 1 2.13%
Once every 4 weeks @ 10% 4 8.51%
Once every 4 weeks @ 20% 2 4.26%
Once every 4 weeks @ 30% 1 2.13%
No water change. Only top offs 3 6.38%
Voters: 47. You may not vote on this poll

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post #1 of 40 (permalink) Old 03-14-2013, 07:37 AM Thread Starter
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Exclamation Water change schedules for cardinas

Guys,

9/10 people I asked told me stability is key for these guys so I figured water changes can't be too often or too much. I wanna get a poll on how you guys do yours?

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post #2 of 40 (permalink) Old 03-14-2013, 07:40 AM
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I do 20% changes with 50dechlortap/50roremineralized every week

But I'd really want an automatic system that changes 2% every day
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post #3 of 40 (permalink) Old 03-14-2013, 07:57 AM
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Water change schedules for cardinas

20 percent weekly. Just tap and prime.


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post #4 of 40 (permalink) Old 03-14-2013, 11:09 AM
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^^^ I'm with you. 20% weekly. I put tap water in a 5 gallon bucket, add prime, drain the water out if the tank and use the water in the bucket to refill. It's the only tank I do by hand.
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post #5 of 40 (permalink) Old 03-14-2013, 12:42 PM
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+1 once a week, 20%

1g Window Bowl *** 1.5g Moss Cube *** 5.5g PFR Garden *** 5.5g RCS *** 7.25g Shrimp Pond ***10g Rili Playground *** 20H Guppy Tank *** Assorted Jars, Tanks & Buckets
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post #6 of 40 (permalink) Old 03-14-2013, 01:01 PM
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Twice a week 20% ish with my oebt 100% remineralized ro. I tried to do less and lost the only 2 I lost in the past 3 months, currently have 5 of 5 berried 2 of those have less than a week to go.
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post #7 of 40 (permalink) Old 03-14-2013, 02:04 PM
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The amount of water you swap out should be dependent upon each individual tank.

I've got some that only get a water change twice per month. Some get 10% per week, some 20% per week.
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post #8 of 40 (permalink) Old 03-14-2013, 02:26 PM
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Agreed. I kept reading that I was changing to much water. So I went from 2 1/2 gallons twice a week down to 1 gallon a week and I lost 2. Still people tell me the frequency is extreme but obviously this is what works for my shrimp and tank setup. It may be that the seriyu stone drives the params up to much and the frequent water changes keep them in check. I can say that the multiple water changes works for me but the saying "your mileage may very" is so true. You just need to find what works for you. It's pretty easy to tell if shrimp are happy aka activity, eating, breeding and finally deaths.
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post #9 of 40 (permalink) Old 03-14-2013, 02:32 PM
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I picked 10% but I generally do 15% once weekly on mine.
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post #10 of 40 (permalink) Old 03-14-2013, 02:39 PM
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It depends of many factors: how thick substrate is, how old is it, how many shrimps you have per tank, how often and what amount are you feeding, what food. Most important what filtration. I use to do weekly 20% WC with RO and Mosura mineral+ thru peristaltic pumps 5gal for 3h .My shrimps have been dying no meter what I have been doing. Now after 1.5years of experiments I’m on 12% monthly WC-almost no dead except some new born and old shrimps. I have 6 neo tanks,5 CRS/CBS,4 tiger tanks,4 TB ones. WC is the same for all of them. You have to find your sweat spot for maintenance and feeding.
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post #11 of 40 (permalink) Old 03-14-2013, 03:27 PM
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20% weekly, good stable water conditions and top offs with pure RO

55 Planted Rummys,2 GBR,8 Corys,4 Discus PFR Culls
Many shrimp tanks
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post #12 of 40 (permalink) Old 03-14-2013, 03:50 PM
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I chose 10%/4 wks but really I do less than that now for tanks with berried shrimps, and pretty much every tank has berried shrimps. My main bee shrimp tanks have less than 10% in the last three months. Only top off with RO, very little of that either because all my tanks are covered.
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post #13 of 40 (permalink) Old 03-14-2013, 03:57 PM
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Sorry, when the people say "top off" water change RO or Tap. What does "top off" mean? I am not fully understand about it. Thanks
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post #14 of 40 (permalink) Old 03-14-2013, 03:58 PM
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Quote:
Originally Posted by Master503 View Post
Sorry, when the people say "top off" water change RO or Tap. What does "top off" mean? I am not fully understand about it. Thanks
Add water to compensate evaporation.
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post #15 of 40 (permalink) Old 03-14-2013, 04:07 PM
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You know this would be relative to the water volume per tank and also stocking density

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shrimp behavior, shrimp breeding, shrimp care, water change, water changes

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