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Just wondering if anybody has used Macropore? Macropore is a Macro-Porous Synthetic Polymer that controls Nitrates by filtering out nitrogenous wastes products and polishes water. I thought this product sounded like a good idea to see if this stuff could do what it claimed, initially, I was looking at Purigen and when I went to my local aquarium shop they recommended Macropore as they said it is the same stuff and cheaper and the same as Purigen. When I got home last night washed it in its microporous bag as per the instructions and popped it in my tank and within about 10 minutes mt TDS went up 5PPM and within 2 hours up 50PPM. I must admit the water went sparkly clear but I was extremely concerned by this massive change in TDS so took it out until I could get some more advice. Hoping there is somebody here that may shed some light on why my TDS skyrocketed. I ended up doing a 25% water change and brought myTDS back to within 5TDS of where I started from before using macropore. If it is supposed to clean the water of organic wastes shouldn't the TDS go down or is it doing something else to the water chemistry that makes using the TDS pen useless? It looks like I have had no deaths this morning but concerned it may be bad to use with shrimp.

I'm not sure of the exact timelines but from my experience they grow about 50% each time they moult when very young and they moult often at that stage. I have occasionally seen very small ones on the side of the tank, eating the biofilm but I don't think they are newly hatched as those are usually born somewhere 'safe' away from view, like moss etc and they don't move far from where they hatch at the start. Your 1mm per week would certainly be about right but it would be proportionate to age so the younger the faster they grow! It will depend on how much they eat etc as well and they don't all hatch at the same time either so you would have to set up some kind of laboratory setup with just one berried shrimp to find a precise figure, and even that would also depend on water parameters/temperature to be of any reliability. I would just get a glass of your favourite drink, sit back, and watch the new ones and enjoy! I know this doesn't really give you the answer that you are looking for but I don't think that exists as there are too many variables??

looks like the same stuff in a different bag I just popped it into the microfilter bag rinsed it and threw it into the filter. My nitrates nitrites are all 0, my ammonia is 0 and now creeping towards 0.25. i was using polyfilter to remove organics allowing me to extent my water changes to 2 weeks and though this stuff would work out cheaper as it is suppose to soak up fine organics. I was just feeding my shrimp hikari shrimp and crab cuisine on alternating days and thought i would trow the glasgarten shrimp dinner and shrimp baby into the feeding cycle and are now seeing some surface scum on top of the water and ammonia creep. my polyfilter is brown within 2 days where i would get a week or more from just using Hikari products all the food gets eaten in an hour or two to the point where there is nothing left. This stuff may be ok for fish but i am sure the massive TDS swing when using it is not safe for shrimp.

It should raise TDS. Is yours going down???! you don't need to worry about taking it out, if that is what you mean. Maybe, is there a lot of surface agitation with that one bubbler? If it's hot, more surface agitation is a good idea, since there is less dissolved oxygen in the water at higher temps. If shrimps are dying, check the temperature of the water.

Hi everybody, I am Sabertooth and are a free-range shrimp and snail farmer from Australia, Currently breeding tangarine & OEBT tigers, Taiwan bees, Pink-Blue-Red ramshorn snails. Only have a few small setups at the moment but I add more tanks as I track new shrimps down.

Ghost Blue Bolt Wine Red King Kong Blue Bolt Blue Bolt Baby black CRS/Black King Kong Baby black/Black King Kong CRS Wine Red King Kong

If you click on the gallery tab and scroll down a bit to sldTBfanUK pictures thats assuming the request is about my shrimps of coarse, as this isn't my thread! Simon