You should not say as payout every twenty four hours, why means you are paying every twenty four hours, but you are crediting the mining earnings to the respective users every twenty four hours. Mining earnings are added to the balance only when the users claim it and it is not every twenty four hours and it is only twenty four hours after each claim. But, you are saying that every twenty four hours. Every twenty four hours means there should be a stipulated server time and it should not be every twenty four hours after each claim.
Also, you have been reducing the mining earnings consistently. First I got 5000+ from my 8006 Khs, after that it has been reduced to 4306 and now it is totally down to 3876. if this is downed gradually why should we have the Khs.
Second thing is 1000 every three hours is like only 333 per hour and it is definitely much low than any other faucet that pays every hour. Moreover, you are having a lot of add space and have displayed a lot of adds in each page of your site and definitely you might have a good earnings from displaying adds. But you still pay very less. Why.

Even less add displaying site also pays more that 20 times than you. If you want you can check some sites like http://bonusbitcoin.co/(pays upto 5000 every 15 minutes), http://givemebtc.xyz/(paysa 400 every 4 minutes), http://btcboom.xyz/(pays 500 every 3 minutes and much more out there. Compairing with above sites bonusbitcoin pays (avg:250/15 min) 3000 for 3 hours, givemebtc pays 6000 for 3 hours and btcboom pays 10000 for 3 hours. This is only for your information only. But you can also look forward to increase mining earnings and reduce the claim time from 3 hours to 1 hour for 1000.