I use these in my small Fluval Edge tank for long weekends - although they probably last nearly a week with the small numbers of fish I have in there. The blocks dissolve slowly (although I always end up removing the last bit after 5 days or so so doesn't go completely) - and the fish seem happy with it. Have bought several times and will continue to. Good value and easy to order.
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Dropped one in my tank, then never fed them for 2 days not a lt left so at least I know I can have a weekend away knowing that they will be contented.
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The fishes did not go near the pyramid for a whole day. Then one or two tried to nible. Watching most of the time i thought the fish must be hungry. So i still had to feed them
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Good value for money
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Easy to use, lasts longer than 3 days and fish, shrimps all enjoy it.
Verified purchase: Yes | Condition: New
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